may refer to: *the interior of China, see

Mainland China "Mainland China" is a geopolitical term defined as the territory governed by the People's Republic of China (including islands like Hainan or Chongming), excluding dependent territories of the PRC, and other territories within Greater China. ...

*"internal" martial arts, see

Neijia ''Neijia'' ( 內家) is a term in Chinese martial arts, grouping those styles that practice ''neijing'', usually translated as internal martial arts, occupied with spiritual, mental or qi-related aspects, as opposed to an "external" approach ...

*"internal" alchemy, see Neidan *a type of rime in Chinese poetry, see

Rime table A rime table or rhyme table () is a Chinese phonological model, tabulating the syllables of the series of rime dictionaries beginning with the ''Qieyun'' (601) by their onsets, rhyme groups, tones and other properties. The method gave a significa ...

See also