Clinically, if the dorsum of the foot is bulging after being subjected to external force, and there is obvious subcutaneous bruising, localized pressure and pain, it is a metatarsal fracture. If there is obvious subcutaneous bruising, localized pressure and pain, and abnormal activities can be detected, metatarsal fracture has occurred, and the x-ray film of the foot bone can be taken to make a clear diagnosis. Most of the treatment can take conservative treatment, you can tell the patient to rest in bed, elevate the affected limb, and at the same time can be given a brace for immobilization in order to prevent the displacement of the fracture end, and also tell the patient to take oral bone grafting medication, which can promote the healing of the fracture site as soon as possible. In addition, if the patient for a long time standing or sedentary, squatting and other reasons affect the blood circulation of the lower limbs, resulting in the dorsum of the foot part of the venous reflux is impeded, there will also be the phenomenon of bulging. Therefore, patients should consult the doctor in time after the occurrence of this situation, and after the correct treatment will be able to alleviate this phenomenon.