Liu Wei Di Huang Wan, also known as Liuwei Dihuang teapills (simplified Chinese: 六味地黄丸; traditional Chinese: 六味地黃丸; pinyin: liùwèi dìhuáng wán) or Six Flavor Rehmanni, is a prescription (方剂 fāng jì) in traditional Chinese medicine and pharmacy to treat yin deficiency. In Japanese kampo, it is known as "Rokumi-gan" (六味丸 ろくみがん) (it is also known as Kampo #87). It is commonly made into Chinese patent medicine.