The most common cause of pain in the thumb joint is caused by local trauma, which can be treated with local cold compresses within 48 hours of trauma using ice towels, ice, etc. to relieve painful symptoms. In addition to trauma, pain in the thumb joint may also be related to various factors such as local joint, muscle and tendon injuries, so different treatment measures need to be taken according to the following different causes: 1. Strain: long hours of hand labor (such as hand work, playing with cell phones) may lead to excessive strain on the thumb, causing symptoms of fatigue pain in the thumb joint. Pain can be relieved by hot compresses, rest or topical medications; 2. Tenosynovitis of the thumb: local pain and pressure in the thumb joint and the presence of symptoms such as impaired joint movement are considered to be possible stenosing tenosynovitis of the thumb. The tendon sheath patients mostly use conservative treatment, patients can go to the hospital for local closed treatment, after the treatment does not work can consider surgery; 3, gouty arthritis: mainly manifested as an acute onset of single finger joint or multiple finger joint pain, can develop in the thumb, and accompanied by joint redness, swelling, heat, pain and other inflammatory reactions. The patient’s symptoms will gradually subside over time, and if the symptoms are severe, oral colchicine, indomethacin and other drugs can be prescribed to relieve treatment; 4, osteoarthritis: joint degeneration, long-term strain and other causes of osteoarthritis attacks, involving the thumb joint can have pain performance. Most patients will also have symptoms such as enlarged and deformed thumb joints, joint friction sounds in the thumb, and muscle atrophy in the thumb. Clinical treatment of osteoarthritis is mainly focused on symptom relief. For acute attacks of painful symptoms, they can be treated with local heat, etc., or by taking medications. In addition to the above common conditions, rheumatoid arthritis, rheumatoid arthritis, joint tumors and other diseases may also cause painful symptoms in the thumb joint, so it is necessary to make a comprehensive judgment based on the patient’s past history and current medical history, and it is recommended to seek medical treatment in a timely manner when the pain is severe.