A tea strainer is a type of

strainer A sieve (), fine mesh strainer, or sift is a tool used for separating wanted elements from unwanted material or for controlling the particle size distribution of a sample, using a screen such as a woven mesh or net or perforated sheet ma ...

that is placed over or in a

teacup A teacup is a cup for drinking tea. It generally has a small handle (grip), handle that may be grasped with the thumb and one or two fingers. It is typically made of a ceramic material and is often part of a set which is composed of a cup and ...

to catch loose tea leaves. Despite the invention of the

tea bag A tea bag (or teabag) is a small, porous, sealed bag or Packet (container), packet typically containing tea leaves (''Camellia sinensis'') or the leaves of other herbs, which is immersed in water to steeping, steep and make an infusion. Origina ...

, it continues to be used widely as of 2025.

Function

When

tea Tea is an aromatic beverage prepared by pouring hot or boiling water over cured or fresh leaves of '' Camellia sinensis'', an evergreen shrub native to East Asia which probably originated in the borderlands of south-western China and nor ...

is brewed in the

tradition A tradition is a system of beliefs or behaviors (folk custom) passed down within a group of people or society with symbolic meaning or special significance with origins in the past. A component of cultural expressions and folklore, common e ...

al manner in a

teapot A teapot is a vessel used for steeping tea leaves or a herbal mix in boiling or near-boiling water and serving the resulting infusion called tea; usually put in a teacup. It is one of the core components of teaware. Teapots usually have an ...

, the tea leaves are not contained in teabags; rather, they are freely suspended in the water. As the leaves themselves are not consumed with the tea, it is usual to filter them out with a tea strainer. Strainers usually fit into the top of the cup to catch the leaves as the tea is poured. Some deeper tea strainers can also be used to brew single cups of tea, much as teabags or brewing baskets are used the strainer full of leaves is set in a cup to brew the tea. It is then removed, along with the spent tea leaves, when the tea is ready to drink. By using a tea strainer in this way, the same leaves can be used to brew multiple cups.

Continued use after invention of tea bag

Despite the fact that tea strainer use has declined in the 20th century with mass production of the

, it is still preferred among connoisseurs, who claim that keeping the leaves packed in a bag, rather than freely circulating, inhibits diffusion. Many assert that inferior ingredients, namely

dust Dust is made of particle size, fine particles of solid matter. On Earth, it generally consists of particles in the atmosphere that come from various sources such as soil lifted by wind (an aeolian processes, aeolian process), Types of volcan ...

-quality tea, are often used in tea bags.

Materials

Tea strainers are usually either

sterling silver Sterling silver is an alloy composed mass fraction (chemistry), by weight of 92.5% silver and 7.5% other metals, usually copper. The sterling silver silver standards, standard has a minimum millesimal fineness of 925. ''Fineness, Fine silver'' ...

stainless steel Stainless steel, also known as inox, corrosion-resistant steel (CRES), or rustless steel, is an iron-based alloy that contains chromium, making it resistant to rust and corrosion. Stainless steel's resistance to corrosion comes from its chromi ...

, or

china China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

. Strainers often come in a set, with the strainer itself and a small saucer for it to rest on between cups. Tea strainers themselves have often been turned into artistic masterpieces of the

silver Silver is a chemical element; it has Symbol (chemistry), symbol Ag () and atomic number 47. A soft, whitish-gray, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. ...

- and

goldsmith A goldsmith is a Metalworking, metalworker who specializes in working with gold and other precious metals. Modern goldsmiths mainly specialize in jewelry-making but historically, they have also made cutlery, silverware, platter (dishware), plat ...

's craft, as well as rarer specimens of fine

porcelain Porcelain (), also called china, is a ceramic material made by heating Industrial mineral, raw materials, generally including kaolinite, in a kiln to temperatures between . The greater strength and translucence of porcelain, relative to oth ...

Brewing or infusing baskets

Brewing baskets (or infusing baskets) resemble tea strainers, but are more typically put in the top of a teapot to keep the tea leaves contained during brewing. There is no definitive boundary between a brewing basket and a tea strainer, and the same tool might be used for both purposes. Strainer with rooibos tea

Non-tea uses

Tea strainers may also be used for separating milk solids from

ghee Ghee is a type of clarified butter, originating from South Asia. It is commonly used for cooking, as a Traditional medicine of India, traditional medicine, and for Hinduism, Hindu religious rituals. Description Ghee is typically prepared by ...

. A further use is to separate the liquid from the solid when preparing

Béarnaise sauce Béarnaise sauce (; ) is a sauce made of clarified butter, egg yolk, white wine vinegar, and herbs. It is regarded as a "child" of hollandaise sauce. The difference is in the flavoring: béarnaise uses shallot, black pepper, and tarragon, while ...

. Tea strainers or a similar small

sieve A sieve (), fine mesh strainer, or sift is a tool used for separating wanted elements from unwanted material or for controlling the particle size distribution of a sample, using a screen such as a woven mesh or net or perforated sheet m ...

may also be used by patients trying to pass a

kidney stone Kidney stone disease (known as nephrolithiasis, renal calculus disease, or urolithiasis) is a crystallopathy and occurs when there are too many minerals in the urine and not enough liquid or hydration. This imbalance causes tiny pieces of cr ...

. The patient urinates through the strainer, thereby ensuring that, if a stone is passed, it will be caught for evaluation and diagnosis.

References