The most common reason for difficulty in the legs at night is because of discomfort caused by excessive activity, strain, and poor posture during the day. It is also divided into the following cases. First, because of sedentary, standing muscle strength, too much activity, too much walking, etc., resulting in leg muscle soreness, swelling and other adverse sensations can cause muscle tension fasciitis, inflammatory exudation and fatigue caused by pain. Second, because of poor circulation in the lower extremities, such as varicose veins or other arterial thrombosis, although not completely blocked, but after prolonged activity or exertion, such as sedentary, long-term driving, etc. will cause bruising and swelling, and at night the legs will be uncomfortable. In addition, because of poor posture and strain can cause because of herniated disc compression nerve and thus cause discomfort in the lower limbs, these conditions should be examined according to the different reasons for symptomatic treatment.