Patients squatting exercise leg soreness, common reasons are mainly the following: First, the patient carried out a long time running, fitness exercise, legs have been accompanied by a large number of lactic acid accumulation, and then squatting will increase the load of the lower limb muscles, thus appearing the symptoms of leg soreness. It is recommended that patients fully rest, leg muscle relaxation, massage, to be lower limb muscle lactic acid and other metabolic wastes are completely absorbed, and then squatting exercise, so as not to cause soft tissue damage to the lower limb muscles. Second, the daily participation in physical exercise less crowd, suddenly a short period of time to carry out more deep squatting exercise, will cause spasmodic contraction of the muscles of the lower limbs, the symptoms of soreness. Patients fitness exercise should be gradual, do not be greedy for more fast, so as not to one-time a large number of deep squatting exercise caused by the lower limbs of the obvious discomfort, and can not adhere to the exercise for a long time.