No exercise still appear thigh pain symptoms are as follows: 1, caused by cold, such as long time blowing fan, blowing air conditioning, caused by cold legs may also appear thigh muscle pain symptoms; 2, caused by calcium deficiency, such as the usual do not pay attention to strengthen nutrition, calcium deficiency of the body, it is easy to appear osteoporosis, easy to cause thigh pain or muscle cramps; 3, caused by lumbar disc herniation, protrusion of the disc may compress the nerve, if the compression of the sciatic nerve causes sciatica, there may be symptoms of lower limb pain; 4, varicose veins in the lower limbs or phlebitis in the lower limbs. The herniated disc may compress the nerve, and if the compression of the sciatic nerve causes sciatica, there may be symptoms of lower limb pain; 4, varicose veins of the lower limbs or lower limb phlebitis, may also appear poor venous reflux in the lower limbs, which leads to thigh swelling and pain. In this case, first of all, we should pay attention to rest and avoid straining, in addition, further examination is needed to clarify the cause.