The symptoms of finger cramps, that is, muscle spasms in the fingers, should be treated according to the cause, as follows: a. If the finger cramps are caused by calcium deficiency, you need to take oral calcium supplements, such as calcium carbonate, calcium acetate or calcium gluconate, etc. Drink more milk, because milk contains a lot of calcium and other minerals. If the finger cramps are caused by cold, you need to pay attention to keep warm, and you can treat them with topical fumigation with Chinese herbs such as haitongpi soup, once a day. If the finger cramps are caused by sprains and contusions, the finger should be braked, elevated, rested, and avoided strain, and an ointment that activates blood stasis, reduces swelling and pain can be applied, such as golden ointment or wound and dampness pain relief ointment. There are many reasons for finger cramps, if the symptoms are not relieved, you need to go to the hospital in time to clarify the cause and take further treatment measures.