Muscle soreness in the right upper arm around the shoulder discomfort needs to be treated according to the cause, usually braking and resting, physical therapy, medication, and surgery if necessary. Common causes include overwork, trauma, frozen shoulder, cervical spondylosis and so on. 1. Overexertion: For the right upper arm muscle pain and discomfort around the shoulder caused by overexertion, it can be relieved after rest and massage. 2. Trauma: For the right upper arm muscle pain and discomfort around the shoulder caused by trauma, when the injury is mild, arm and shoulder joint braking and rest, early cold compresses, and if necessary, anti-inflammatory and pain relieving drugs such as ibuprofen, etc. can be used for conservative treatment. If the ligament damage is serious, surgery can be used, such as ligament repair. 3. Frozen shoulder: for long-term frozen shoulder caused by the right upper arm muscle pain around the shoulder discomfort. In general, it is recommended to take rest during the pain period, apply localized hot compresses and other physical therapy, and use non-steroidal anti-inflammatory drugs such as ibuprofen and celecoxib to treat the pain if necessary. During the recovery period, shoulder joint function exercise should be strengthened. 4. Cervical spondylosis: For cervical spondylosis nerve compression leads to muscle pain in the right upper arm and discomfort around the shoulder. Conservative treatment is usually the main, including neck rest, as well as localized hot compresses, massage, baked electricity and other physiotherapy, if necessary, oral anti-inflammatory drugs such as celecoxib. Surgery, such as anterior cervical spine surgery, can be used when conservative treatment is ineffective or symptoms worsen. Caused by the right upper arm muscle pain around the shoulder discomfort there are other reasons, if the rest does not relieve, it is recommended to consult a doctor in a timely manner, improve the examination to clarify the cause of the disease, follow the doctor’s instructions for targeted treatment or treatment, do not self-medication, so as not to delay the condition.