There are many reasons why patients experience pain in the muscles of the shoulder, because the shoulder joint is a large joint and requires frequent weight-bearing activities or cold, which can easily lead to many diseases. This can lead to pain and swelling in the shoulder joint, which can affect the movement of the shoulder joint. If the shoulder joint is cold for a long period of time, the muscles in the shoulder may become adherent and contract, which may also cause pain and soreness. In terms of treatment, symptomatic treatment can be given to reduce the weight bearing of the shoulder, and heat treatment can be used to reduce the patient’s pain by applying hot towels, baking electricity and physical therapy.