Abstract: This article introduces CHANG Zhizhong's experience in the diagnosing and treating liver disease. CHANG Zhizhong was a famous Chinese medicine doctor in Hebei Province in the 1950s. He's got a lot of clinical experience. He specializes in the treatment of internal medicine diseases. He is good at treating liver disease by using the Rougan Tongluo Huoxue method. The amount of the herbs is little and is effective, which always do good for Weiqi and Jinye. Some clinical cases are selected for clinical reference.

Key words: Chinese medicine, liver disease, clinical experience, CHANG Zhizhong