The point of shoulderios is located in the deltoid region, in the depression between the angle of the acromion and the greater tuberosity of the humerus. When the arm is abducted, the depression below the back of the acromion is the point of shoulderios, that is, the depression between the acromion angle and the greater tuberosity of the humerus. At this point, there is a branch of the axillary nerve and a branch of the posterior spiral brachial artery. The effects of this point include dispelling wind and dampness, relaxing tendons and activating collaterals, etc. It can be used to treat shoulder and arm pain, paralysis or paralysis of the upper limbs, and so on. For self-care one can hold and pinch the Shoulderos to the extent of localized soreness and swelling. If massage, acupuncture and other operations on the acupoints are needed, they should be carried out by a professional doctor and self-operation is not recommended. Otherwise, it may not be effective and may even be harmful to oneself.