The muscle under the thumb is bruised mainly in the following cases: a. The patient accidentally fell, causing soft tissue injury to the muscle under the thumb, accompanied by capillary rupture and local skin bruising. It is necessary to promptly apply external ice to promote capillary constriction, reduce tissue exudation, avoid activities of the injured part of the hand, and take sufficient rest. 48 hours later, apply blood circulation and stasis cream and fotarin ointment to promote faster absorption of local bruising and reduce bruising. Second, patients who often blow the air conditioner or wear less clothes in the cold season can show muscle soreness under the thumb of the palm due to external cold invasion. Patients are recommended to carry out comprehensive conditioning, such as appropriate running, fitness exercise, gua sha, physical therapy, cupping, oral Chinese medicine and other methods to get rid of the cold in the body and accelerate the body’s metabolism, which can effectively reduce the symptoms of muscle bruising, soreness and discomfort under the thumb.