There is no exercise but the symptoms of special soreness in the legs, the common causes are the following: 1, can be caused by chronic strain, muscle damage is not only caused by a short period of strenuous exercise, long-term, continuous, cumulative minor strain and load, can also lead to corresponding damage and strain on the muscles of the legs, resulting in symptoms of soreness. 2, can be seen in the lower limbs after suffering from adverse factors The lower extremities can be stimulated by the presence of underlying diseases, such as varicose veins, vasculitis, etc., which can lead to impaired blood circulation in the lower extremities due to pathological factors, resulting in the accumulation of metabolic products and stimulation, poor blood circulation and blood stagnation, The symptoms of special aches and pains can be caused by poor blood circulation, blood stasis, and increased pressure in the tissue gap. 4, the symptoms of special aches and pains can also occur in the nerve disorders of the lower limbs, mainly caused by abnormal nerve sensation, including lumbar disc herniation, compression of the sciatic nerve of the lower limbs or neuritis and injury of the sciatic nerve of the lower limbs, and so on, and the corresponding symptoms can occur.