The hardness of the legs and stomach may be a physiological phenomenon, such as heavy physical labor, or with varicose veins of the lower extremities, lumbar spine disease and so on. 1. Physiological reasons: common in people who often do heavy physical labor, or often exercise the lower limbs. Due to the rear side of the calf muscles are more developed. Thus, when pressed, it feels hard, and this normal performance does not need special treatment. 2. Varicose veins of the lower limbs: due to long-term bed rest or vascular damage and other reasons, resulting in thrombosis of the veins of the lower limbs, blood reflux is not smooth. It causes edema of the calves with increased skin tension and feeling of hardness of the calves. 3. Lumbar spine disease: common lumbar disc herniation, lumbar spinal stenosis and other patients, compression to the nerve root. Lower extremity nerve pulling pain, resulting in local muscle spasms, manifesting the hardness of the legs and stomach. The hardness of the legs and stomach can also be seen in other causes, it is recommended to consult a doctor in time, follow the doctor’s instructions for relevant examinations, with the help of the doctor to clarify the cause, and targeted treatment or treatment.