It is not true that male patients with right shoulder pain are on the alert for four diseases, such a statement is not scientific. There are more than four diseases that cause right shoulder pain in male patients, generally including trauma, cervical spondylosis, frozen shoulder, gallbladder disease, overwork, etc. The most common diseases that cause right shoulder pain in male patients are trauma, cervical spondylosis, frozen shoulder, gallbladder disease, and overwork. 1. Trauma: When men experience pain in the shoulder, they should first check whether there is any trauma in the shoulder, and the patients can check it by taking pictures and other methods. 2. Cervical spondylosis: when the nerve roots of male patients are compressed, it usually leads to shoulder pain and limited arm movement, with electric shock sensation, accompanied by numbness of fingers and so on. 3. Frozen shoulder: Frozen shoulder is mainly manifested by the gradual appearance of pain in the shoulder, and if tendon or ligament adhesion occurs, it will lead to shoulder joint pain. 4. Gallbladder disease: shoulder pain may be related to cholecystitis, which can cause radiating pain in the shoulder. 5. Overexertion: overactivity of the right shoulder joint in some patients can cause muscle fatigue here, leading to pain when the patient rests or does a certain action. Male patients with right shoulder pain should seek medical advice in time, under the guidance of professional doctor’s advice, to clarify the cause of the disease and correct treatment.