The most common causes of elbow joint pain in the hand and arm are trauma, humeral epicondylitis, osteoarthritis and so on. 1. Trauma: if the patient’s elbow joint is impacted, it is easy to cause local muscle and ligament damage, and in severe cases, fractures will occur, which will cause elbow pain. 2. Epicondylitis of the humerus: overuse of forearm muscles, trauma to the elbow causes pain or soreness on the outside of the elbow joint, and the symptoms may worsen as the disease progresses, leading to limited elbow joint movement. 3. Osteoarthritis: Bone cells are damaged due to various reasons, degenerative changes in the elbow joint are likely to occur, the symptoms of the initial stage is a slight dull pain, as the disease progresses the pain will worsen, and will improve after rest. Elbow pain is caused by a variety of reasons, may also be related to osteophytes, rheumatoid arthritis, elbow tube syndrome and other factors, if the symptoms continue to have no relief, it is recommended to go to the hospital in a timely manner to find out the cause of the disease, by the doctor targeted treatment.