Finger joints have a small bag does not hurt itch may be caused by gout, this symptom may also be tendon sheath cysts, chondroma and other factors lead to. 1. Gout: patients with high levels of uric acid in the body, urate crystals may be deposited in the joints and the surrounding soft tissues and lead to inflammation, although it will lead to symptoms of joint swelling, chronic gout stone may not appear pain, so the finger joints have a small bag that does not itch and pain may be caused by gout. 2. Tendon sheath cysts: If cystic swelling occurs in the tendon sheath of the finger joints due to various factors, it will lead to joint swelling and the phenomenon of bags. 3. Chondroma: chondroma is often single, there may be no obvious symptoms in the early stage, which is manifested as local swelling, accompanied by a feeling of soreness and deformity. Finger joints have a small bag painless and itchy may be caused by other reasons, it is recommended that patients with this symptom to the regular hospital rheumatology or orthopedics for further consultation.