Male left foot pain can be caused by the following causes: first, metatarsal headitis, when the metatarsal head of the foot has chronic aseptic inflammation, there can be pain at the metatarsal head of the heart of the foot, often under pressure or walking pain is more significant, then the foot X-ray, CT to diagnose and early treatment. Second, plantar fasciitis, plantar fasciitis patients can also have pain in the heart of the foot, often due to chronic sterile inflammation of the plantar fascia caused by cold, after exertion, and then to early examination and examination to exclude other diseases to diagnose. Third, fatigue fractures of the metatarsal bones of the foot, fatigue fractures of the metatarsal bones of the foot can also have pain at the metatarsal bones of the heart of the foot, which should be diagnosed by examining X-rays and CT of the foot. Fourthly, tumor, when there is a tumor in the metatarsal bone of the foot, there can be pain in the metatarsal bone of the heart of the foot, then the MRI of the foot should be examined to diagnose and treat.