Finger joint pain when pressed on one side may be caused by trauma, tenosynovitis, rheumatoid arthritis, etc., need to further clarify the cause of the disease, and then select the cause of the glucocorticoid hormone drugs, anti-rheumatic drugs, non-steroidal anti-inflammatory drugs and other drugs for treatment. 1. Trauma: patients with a clear history of trauma on one side of the finger joints when pressed may be caused by local trauma, need to complete the relevant examination to exclude fracture, if there is a fracture, then need to be reset or surgical treatment, if there is no fracture, then reduce the activities of the finger. 2. Tenosynovitis: tenosynovitis mainly involves the tendon sheath, which can lead to the symptoms of pain when pressed on one side of the finger, after a clear diagnosis, according to the different types of tenosynovitis can be used to relieve the symptoms with anti-rheumatic drugs, anti-tuberculosis drugs, anti-bacterial drugs and other medicines, or oral or topical non-steroidal anti-inflammatory drugs, such as diclofenac, ibuprofen, etc., and the non-infectious tendon sheath can also be closed treatment. 3. Rheumatoid arthritis: if the patient appeared finger joints on one side of the pain and accompanied by morning stiffness, joint swelling and other symptoms may be rheumatoid arthritis, need to target the use of anti-rheumatic therapy, such as methotrexate, non-steroidal anti-inflammatory drugs, such as celecoxib and other non-steroidal anti-inflammatory drugs, and glucocorticosteroids, such as prednisone acetate tablets and other drug therapy. Drugs need to be used under the guidance of a physician, one side of the finger joints when pressed on the pain may have other causes, patients are recommended to the regular hospital orthopedics, rheumatology, immunology and other related departments to further clarify the diagnosis and follow the doctor’s instructions for treatment.