Huachansu is a commonly used clinical Chinese patent medicine, with oral preparation and injection, mainly processed from dried toad skin extract, and its main clinical effects are anti-tumor, immunity improvement and anti-virus, mainly used for the treatment of middle and late stage tumor and chronic hepatitis B. It is mainly used for the treatment of late stage tumor and chronic hepatitis B. Patients who are allergic or hypersensitive to the ingredients of this product should use with caution. Huaqansu is a proprietary Chinese medicine, and the clinical efficacy and safety data are not too sufficient, so the adverse reactions of the drug should be closely monitored during use, and problems should be dealt with promptly.