Swelling and numbness of the hand is mainly seen in the following aspects: First, for patients with hypertension, diabetes, obesity or long-term smoking, suddenly appeared hand swelling, numbness accompanied by hand pain, this time to check the patient’s radial artery or brachial artery there is no fluctuations to consider whether there is no upper extremity artery or vein embolism, it is best to go to do the ultrasound examination of the blood vessels of the upper extremities. Secondly, if the elderly patients are bedridden for a long time, there is swelling and numbness of the hands, this time we should pay attention to the nutritional status of the patients, whether it has caused hypo-proteinemia, hypo-proteinemia caused by swelling and numbness of the hands, mainly in the limbs of the swelling and numbness of the main, you can carry out the liver function test to see whether there is a decrease in albumin. Third, for young patients with swelling and numbness of the hands, accompanied by morning stiffness, especially in the morning is more obvious, to consider whether there are rheumatoid immune-related diseases, you can carry out the blood sedimentation, C-reactive protein or rheumatoid complete set of tests.