Palm swelling is considered to be due to trauma, cervical spondylosis, upper limb lymphatic reflux obstruction and other reasons, the specific cause of the disease should also go to the hospital in time for examination and confirmation. 1. Trauma: when the palm of the hand due to external injuries or tendon injuries and other reasons so that the body subcutaneous soft tissue capillary rupture, can lead to the symptoms of palm swelling. 2. Cervical spondylosis: if the body suffers from cervical spondylosis, causing upper limb nerve abnormality or blood vessel compression, which will lead to the symptoms of palm swelling. 3. Upper extremity lymphatic reflux: When the local area is squeezed for a long time, the local area is compressed, causing upper extremity lymphatic reflux obstacles or blood circulation obstacles, which can lead to the symptoms of palm swelling. 4. Other diseases: if the body suffers from heart, organs, brain, liver and other diseases, there will be systemic symptoms and other complications, which can lead to symptoms of palm swelling. The above are only some of the common causes. If symptoms persist or recur, seek medical attention. After a clear diagnosis, follow the doctor’s instructions to standardize the treatment.