Leg swelling a press a pit belongs to the lower extremity edema, if it is due to sprains or posture caused by edema, generally is not too serious, but if it is due to renal insufficiency, liver insufficiency, diabetic nephropathy and other diseases caused by the situation, usually is more serious. If the sprain is caused by strenuous exercise, or keeping a posture for a long time, sitting and standing for a long time, overwork and other factors, resulting in soft tissue injury or poor blood circulation caused by edema, generally through the elevation of the lower limbs, appropriate hot massage, fixation of the affected area and other methods can be effectively relieved, if there are no other discomforts, this kind of situation is generally not too serious. However, if the body fluid can not be discharged from the body in time due to renal insufficiency, stay in the lower limbs, or liver insufficiency leads to slow protein synthesis, diabetic nephropathy leads to atherosclerosis of the lower limbs, poor blood reflux and so on caused by edema, generally belong to the more serious, and need to be promptly consulted for examination and treatment. The leg swelling a press a pit of the situation, it is recommended to consult a doctor in a timely manner, to find out the cause of the disease to give targeted treatment, so as not to delay the condition.