A hard bag bulging out of the palm joint may be related to tendon sheath cyst, osteophyte, fracture and other factors, which need to be treated with general therapy, medication or surgery. 1. Tendon sheath cysts: asymptomatic ones usually do not need treatment, and attention should be paid to regular checkups; if the pain symptoms are more serious, compression of nerves or blood vessels, as well as affecting the aesthetics, conservative or surgical treatments are needed, the former including the application of glucocorticosteroids such as triamcinolone acetonide and NSAIDs such as ibuprofen as prescribed by the doctor, and the latter includes resection of the cysts. 2. Osteomalacia: oral administration of non-steroidal anti-inflammatory drugs such as celecoxib and intra-articular injection of sodium vitrate should be prescribed; if conservative treatment is not effective, surgery should be performed to correct the deformity. 3. Fracture: it should be reset and fixed under doctor’s guidance; non-steroidal anti-inflammatory drugs such as ibuprofen can be taken orally as prescribed by the doctor. Palm joints bulging out a hard bag should go to the regular hospital in time, clear cause, under the guidance of the doctor standardized treatment.