Dry mouth and dry tongue mainly include yin nourishing drugs and heat clearing drugs, such as Niuhuang Qinghuo Pill, Jinshi Qingre Granule, Compound Yangjiao Capsule, Shangqing Pill, Niuhuang Qingwei Pill, Qingre Jiedu Granule, Andrographis paniculata Capsule, Shilong Qingxue Capsule, Antiviral Granule, Banlangen Granule, Saijin Huadu Powder, Jinlianhua Capsule, Compound Shuanghua Granule, Lanqin Oral Liquid, Jinlian Qingre Granule Huoxiang Zhengqi Oral Liquid, Ganlu Jiere Oral Liquid, Shuanghuanglian Granules, Qingwen Jiedu Pills, Shidishui Capsules, Prunella Oral Liquid, Yinhuang Granules, Yiganling Capsules, Gansu Granules, Yigan Qingre Jiedu Granules, Babaodan Capsules, Kuhuang Granules, Longdan Xiegan Pills, Yinchen Wuling Pills, Gegen Qinlian Pills, Xianglian Pills, etc.