The Chinese toad is a member of the toad family, and its skin is the dried epidermis of the toad. According to the Chinese Materia Medica, it can “detoxify and disperse nodules, eliminate stagnant water, kill insects and eliminate noma”, and can be used in the treatment of many kinds of tumors, and has certain clinical effects on stomach cancer, esophageal cancer, bladder cancer, liver cancer and leukemia. It has been widely used in the clinical treatment of malignant tumors, especially for primary liver cancer, lung cancer, esophageal cancer and gastric cancer.