The common causes of palm swelling are as follows: First, infection: consider the infection of the inter-palmar space or the inter-fisheye space infection, this is mainly due to trauma, foreign objects or pollutants into the inter-palmar space or the inter-fisheye space, it will cause the inter-fisheye space infection, the inter-fisheye space will be pus gradually increased secretion, at this time there will be a swelling of the central part of the palm, pain, and there will also be redness, heat, etc., the emergence of such a situation, it is necessary to early active anti-infection treatment. Active anti-infection treatment must be carried out at an early stage. If there is a fluctuating feeling in the palm, it must be cut and drained in time to avoid the spread of infection. Second, vascular disease: palm swelling is mainly due to the hands of the blood circulation is blocked caused by, such as in the upper extremity venous thrombosis or varicose veins, can appear blood stasis in the hands, the fastest way to solve the problem is to dissolve the thrombus, anticoagulant therapy.