The following reasons should be considered for male calf soreness: 1, if the male is a long-term smoker, to exclude thrombo-occlusive vasculitis, a chronic vasculitis caused by long-term smoking and other unexplained occlusion of small arteries in the lower extremities, resulting in long-term chronic ischemia, walking distance slightly accompanied by soreness and pain in the lower legs. 2, lumbar spinal stenosis, various causes including disc herniation, ligamentous hypertrophy, lumbar spine slippage The patient’s calves are sore and swollen, and even if the walking distance is not far, there is numbness and painful discomfort in the calves. 3, flatfoot or Achilles tendonitis, men with more serious flatfoot, plantar fasciitis or Achilles tendonitis will also experience soreness and discomfort in the calves after walking a longer distance.