For patients with sore calves at night: a. seen in strain, this situation is related to long standing activities or regular squatting, running and jumping, resulting in repeated muscle strain on the calf area, causing spasm edema, thus at night rest, it will lead to excessive contraction of the calf area muscles, and there will be a significant soreness, pain, this pain after elevating the affected limb and massage, the The symptoms will be significantly reduced after elevating the affected limb and massage. Second, in patients with varicose veins of the lower extremities and venous valve closure insufficiency of the lower extremities, which will lead to partial restriction of venous return during the daytime activities, which will cause the legs to be located in the bruising situation after the activities, and will also appear obvious soreness and swelling of the calves at night rest, but the patient’s symptoms will be significantly reduced or disappear in the morning.