The symptoms of shoulder sprain are as follows: 1. Symptoms: If the patient has a mild sprain, it will manifest as pain, i.e. pain is obvious when pressing or moving; if the patient has a more serious sprain, it will cause the joint to be unable to move on its own and severe pain will occur; 2. Treatment: Patients with a mild sprain should reduce shoulder joint activities in the acute stage, and can apply cold compresses and topical medication locally; patients with a moderate sprain need shoulder joint braking or fixation with a sling; patients with a severe sprain may require surgery.