The causes of soreness in the leg bones are physical and pathological, physical causes are the following two: 1, the human body activity increases, the exercise muscle will secrete an acidic substance for lubrication and cooling, after the exercise will appear sour. 2, recently overwork, cold can also cause, for fatigue and cold caused by the need for more rest and attention to warmth. There are also the following two pathological causes: 1. Bone tumor is not excluded, and patients are suggested to go to the orthopedic department of hospital for examination, doing X-ray, CT and so on can clarify the diagnosis. If it is caused by bone tumor, surgery is needed. 2. It may be caused by inflammation of the joints or lack of qi and blood, which can be relieved by using drugs to activate blood circulation and remove blood stasis, commonly used are Panax notoginseng capsules, Yunnan Baiyao, etc. Patients can observe at home for two days, take good rest, exercise appropriately, and go to hospital for treatment in time after aggravation.