The most common causes of pain on the right side of the back are muscle strain, intercostal neuralgia, coronary heart disease, etc. If the symptoms persist, it is recommended to consult a doctor in time. 1. Muscle strain: If the patient is engaged in heavy physical labor or strenuous exercise, it is easy to cause muscle strain in the right back, which in turn produces local swelling and pain. 2. Intercostal neuralgia: the nerve travels from the back of the chest along the intercostal space to the front of the chest and abdomen, if the patient has intercostal neuralgia, it may also produce pain on the right side of the back, usually the pain is point-like or flaky. 3. Coronary heart disease: some patients with coronary heart disease in the attack, may also cause in the right side of the chest and back to produce radioactive pain, the need for timely medical treatment. The causes of pain on the right side of the back are many, and may also be related to back fasciitis, cervical spondylosis, cholecystitis, pleurisy, scoliosis and other diseases, if the symptoms continue to be unrelieved, it is recommended to go to the hospital in a timely manner to find out the cause of the disease, and to carry out targeted treatment.