Epidermal cysts, common warts, lipomas and other diseases may be the cause of sarcomas on the hands, which need to be treated with medication, physical therapy and surgery. 1. Epidermoid cysts: the long sarcoma on the hand may be caused by epidermoid cysts, if the patient does not have obvious discomfort symptoms, generally do not need to take special treatment. Some patients can take local injection of glucocorticoid drugs, such as trimethoprim, under the guidance of doctors. 2. common warts: hand long sarcoma may also be common warts, the patient can be in the doctor’s guidance of topical imiquimod cream, fluorouracil ointment and other drugs. Or take scraping, excision and other methods. 3. Lipoma: the long sarcoma on the hand is also considered to be caused by lipoma, if there is no clinical symptom, no effect on the patient, there is no need to take special treatment. If the symptoms are serious, surgical excision can be taken. There are many reasons leading to the growth of sarcoma on hands, and it is suggested that patients should clarify the causes of the disease and take treatment measures.