Swelling of hands and feet is a relatively common symptom in clinical practice, and the specific reasons include the following: one reason is due to the phenomenon of physiological swelling of hands and feet, mainly due to the gradual growth with age, poor vascular elasticity, or due to long-term standing, hands and feet down work, resulting in poor blood return, blood pooling in the periphery, it will cause physiological swelling of hands and feet, this situation through appropriate This condition can be gradually relieved by appropriate activities or rest, and return to normal conditions. Another pathological cause is due to low protein edema, which is commonly caused by cirrhosis of the liver and lack of nutrients in the body due to poor nutritional function, resulting in low protein in the body and easy formation of low protein edema. Some poor heart function, such as mild heart failure, can cause poor circulatory function and blood pooling in the lungs, hands and feet, and limbs, all of which are some of the causes of swelling in the hands and feet.