Hidden pain at the top of the right shoulder is a warning for frozen shoulder, radicular cervical spondylosis, cholecystitis, and a variety of other conditions. 1. Frozen shoulder: Frozen shoulder is usually considered to be caused by synovitis, aseptic inflammation of the joint capsule and tendons. Patients will have symptoms such as shoulder pain, shoulder stiffness, etc. If the patient has frozen shoulder in the right shoulder, it will manifest as hidden pain at the top of the right shoulder. 2. Neurogenic cervical spondylosis: Neurogenic cervical spondylosis is considered to be related to long-term fixed posture of the cervical spine and instability of the cervical joints. Patients will have neck pain, radiating pain or numbness in the upper limbs, and so on, and therefore patients will show hidden pain at the top of the right shoulder. 3. Cholecystitis: cholecystitis is mainly caused by cholestasis or gallbladder obstruction secondary to gallbladder infection. Patients will show right upper abdominal cramps, pain will radiate to the right shoulder or back, so the patient will have the symptom of hidden pain at the top of the right shoulder. 4. Other: patients with right shoulder thoracic outlet syndrome, acromioclavicular arthritis, osteosarcoma, brachial plexus nerve injury, myofasciitis, trauma, etc. can also lead to, but the incidence of these diseases is not relatively low. It is recommended that patients need to consult a doctor in time for hidden pain at the top of the right shoulder, and the doctor will take appropriate measures for treatment according to the cause of the disease.