Calf bumped into the swelling for more than a month did not get well should be timely to the hospital imaging examination, to rule out whether there is a fracture or the possibility of other diseases. Clearly there is no fracture, calf swelling does not exclude the possibility of secondary intra-tissue hematoma, must pay attention to rest, avoid the injured leg for a long time exertion or standing, can elevate the affected limb. Oral blood circulation and blood stasis drugs such as blood circulation and pain relief capsule, without skin lesions can be used externally Yunnan Baiyao spray, diclofenac diethylamine latex, and so on. Calf injury more than a month still have obvious swelling and pain, it is recommended to go to the orthopedic department of the hospital as soon as possible, the doctor will be examined according to the situation, to clarify the cause of the injury and swelling, to take the appropriate treatment. Do not apply drugs without authorization to avoid adverse reactions.