Many causes can lead to small bags on both sides of the shoulder, specific need to be combined with the actual situation of the patient. First, congenital, patients usually have no discomfort symptoms, imaging and ultrasound examination does not see abnormalities, generally do not need special treatment, pay attention to the observation can be; second, tendon sheath cysts caused by, at this time often accompanied by soreness, activity disorders, pain, etc., line shoulder joint nuclear magnetic can assist in the diagnosis. If the cyst is light, the symptoms can be improved by oral medication and local physiotherapy; if the cyst is heavy, puncture and fluid extraction is required, and if necessary, minimally invasive surgery is needed. There is no conservative treatment method for lipoma; 4. Long-term heavy physical labor, such as carrying heavy objects on the shoulder for a long time and carrying a stretcher for a long time, should pay attention to rest and avoid exertion in this case.