If you accidentally sprain your shoulder tendon, it can be clinically diagnosed as a soft tissue injury to the shoulder muscles. After such an injury occurs, reduce the amount of activity or prohibit it, rest in bed, and pay attention to keeping the shoulder area warm and not getting cold. Within 24 hours of the shoulder sprain, give local cold compress treatment and apply local ice to promote local bleeding absorption, reduce swelling, and relieve pain at the same time. After the shoulder sprain for more than 24 hours, give local hot compress treatment, apply the ointment to activate blood circulation and remove blood stasis or carry out physiotherapy instrument baking electricity, microwave instrument treatment, also can cooperate with Chinese medicine fumigation, acupuncture, moxibustion and other methods. At the same time, the patient is advised to take oral bruising medicine, such as oral bone injury spirit, bruising pill and other drugs to promote the early recovery of the injured muscle and soft tissue.