Clavicle protrusion may be a normal phenomenon, but need to exclude trauma, localized swelling and other abnormalities. 1. Physiological factors: most of them are seen in the population with thin body type, because of their thin body type, their bony symbols lack of muscle and other soft tissues to cover, it will be more prominent, this kind of is a normal phenomenon, no need to treat. 2. Pathological factors (1) Trauma: Trauma to the shoulder can lead to dislocation of the acromioclavicular joint or clavicle fracture, resulting in protruding symptoms, most often accompanied by localized swelling and pain, which can be clarified through X-ray examination, and routinely require external fixation with eight bandages or braces, and in severe cases, surgery is also required. (2) Swelling: such as lymph node enlargement, fibroma, lipoma, etc., can be judged by ultrasound and other examinations, and if necessary, pathological examination to clarify the nature of the lesion, and then give treatment. For abnormal clavicle protrusion need to clarify the cause of the disease, and under the guidance of the doctor for targeted treatment.