There are three main causes of joint pain, one is normal physiological phenomenon, and the other is caused by disease and trauma. The normal physiological phenomenon is due to the growth period of children. The growth of the bones and joints leads to wear and tear between the joints, which can cause some soreness in children. In this case there is no need for treatment, and after a period of time the patient’s symptoms will disappear naturally. Diseases can also cause joint soreness. For example, systemic lupus erythematosus is an autoimmune disease. This disease not only causes skin changes throughout the patient’s body. It can also affect the patient’s joints, causing pain in the joints. Arthritis is also a disease that causes sore joints. Arthritis is an inflammatory disease. The manifestation of this disease is pain. Joint pain caused by trauma is more pronounced in the short term, and joint soreness can occur after the acute phase. The treatment for joint pain caused by these traumas varies depending on the degree of the trauma, and the doctor will treat the patient according to his or her condition. There are three main causes of joint pain, one is physiological pain and the other two are pathological pain. When joint pain occurs, it is important to seek medical attention so that the cause of the pain can be found.