Study on Chinese Gallnut

This paper brief reviewed the application history of Chinese gallnut. The gallnut tannin basis component, the kinds of Chinese gallnut, gallnut aphids and its bio-ecology, the kinds of summer-hosts, winter-hosts were summarized. There were 14 kinds of Chinese gallnut that were come into 14 species or subspecies gallnut aphids on its summer-hosts respectively in China. The yield of horned gallnut, hard ensiform gallnut, egg-hard ensiform gallnut, shaped belly gallnut and inflorescence gallnut were roughly to occupy the total yield of Chinese gallnut of 80%. To protect and develope Chinese gallnut resources for making Chinese gallnut product to keep sustainable development,the authors must extend and apply successful techniques such as mature picking gallnut and to leave stirp gallnut and to develope new products.