Heaviness, fatigue, soreness and distension of the lower limbs of women may be caused by physiological reasons, or may be caused by lumbar intervertebral disc herniation, arteriosclerosis occlusive disease of the lower limbs, varicose veins and other pathological reasons. 1. Physiological reasons: women may experience lower limb heaviness, fatigue, soreness and distension after walking for a long time or performing heavy physical labor, and the symptoms of lower limb heaviness, fatigue, soreness and distension will be alleviated accordingly after resting for a period of time. If it is caused by labor, take a good rest for a few days, the symptoms of lower limb heaviness, weakness and soreness will disappear. 2. Pathological reasons: some diseases may cause women to have symptoms of lower limb heaviness, fatigue, soreness and distension, such as lumbar disc herniation. Lumbar disc herniation will cause the patient to experience radiating pain, numbness and weakness in the lower limbs, and may also cause back pain, and in severe cases, urinary and fecal dysfunction. If lumbar disc herniation is suspected to be the cause, you need to go to the hospital in time. In addition to lumbar disc herniation, other diseases may also cause patients to experience lower extremity heaviness, weakness, soreness and swelling, such as lower extremity arteriosclerosis occlusive disease, varicose veins and so on. The above are only some of the common causes. If the symptoms of lower limb heaviness, fatigue, soreness and distension persist in women, they need to go to the hospital in time to receive relevant examinations, to clarify the cause of the disease, and follow the doctor’s instructions to standardize the treatment.