Cough and arm pain may be caused by colds, tuberculosis, shoulder and neck joint lesions and other diseases. 1. Colds: When patients have colds, they usually show symptoms such as nasal congestion, runny nose and cough. If there is fever, especially high fever, there may be limb pain, generalized weakness and other symptoms. Therefore, coughing and arm pain may be a symptom of cold. 2. Tuberculosis: When Mycobacterium tuberculosis infects the lungs and causes tuberculosis, coughing symptoms may appear. If tuberculosis bacillus violates bones at the same time, leading to bone tuberculosis, arm pain can occur. Therefore, the patient’s cough and arm pain may be caused by tuberculosis combined with bone tuberculosis. 3. Shoulder and neck joint lesions: patients suffering from cervical spondylosis, frozen shoulder and other shoulder and neck joint lesions, causing stiffness of the relevant joints, resulting in restricted movement, when a violent cough, driving arm muscle activity, arm pain may occur. Coughing and arm pain are not necessarily related to each other, causing arm pain can also be seen in other diseases. It is recommended that if the symptoms do not improve or aggravate, you should go to the hospital in a timely manner to improve the examination, to clarify the cause of the disease, and comply with the doctor’s instructions for the use of medication.