Huachanin is a commonly used clinical drug, mainly made from dried toad skin extract, with a wide range of clinical effects, including anti-tumor effects, immunomodulatory effects and anti-viral effects. It is mainly used for the adjuvant treatment of middle and late stage cancer, and also has certain therapeutic effect on viral infections such as hepatitis B. Especially, the clinical effect may be relatively more prominent for liver cancer that further develops from hepatitis B and cirrhosis. For tumor patients, after active surgery, radiotherapy and other comprehensive treatments, together with the use of Huachanin, it can play a certain adjuvant therapeutic role to prevent the recurrence of tumor and delay the progress of the disease, as well as improve the prognosis and the quality of life of the patients. In the process of use, we should pay attention to observe the adverse reactions of the drug and adjust the treatment plan in a timely manner.