Comments on Quality Administration System of Liuwei Dihuang Pill in Tongrentang
同仁堂六味地黄丸质量保障体系评述

Tongrentang is the most famous trademark with more than 300 years history in the field of Traditional Chinese Medicine. With high quality, Liwei Dihuang Pill is the most important production of Tongrentang company. The quality administration system, especially GAP and GMP system related with Liuwei Dihuang Pill in Tongrentang was reviewed with comments.