The hand of military training is swollen: 1, may be overexertion caused by inflammation of the periosteum injury, as long as timely treatment should not be a big problem, it is recommended that within 24 hours cold water compresses the affected area, more than 24 hours then hot water compresses the affected area. 2, may also be hormonal secretion disorders resulting in the metabolic disorders of body fluids. 3, heart and kidney lesions resulting in tissue edema is also possible. If this situation occurs, it is usually due to long-term strenuous exercise and unreasonable posture leading to local weight-bearing tissue edema. After rest, local physical therapy, if the symptoms do not have any relief or progressive aggravation, you must go to a regular hospital in a timely manner to choose a reasonable treatment method and do not delay the condition.