Exercise also gain weight may be due to insufficient exercise, excessive exercise leads to eat more and other sports itself; in addition may also be suffering from certain diseases that will lead to fat, such as hypothyroidism, Cushing’s syndrome and so on. 1. The reason for the exercise itself: the amount of exercise is insufficient, but the amount of food has not been reduced or increased, the intake of calories is greater than the consumption of exercise, which leads to obesity; excessive exercise, although it leads to the consumption of body heat, but hunger, may lead to an increase in appetite, if the intake of energy, more than the energy consumed by the exercise, the weight will also increase at this time. 2. Disease causes: some endocrine diseases such as hypothyroidism, Cushing’s syndrome, etc. will also lead to patients gain weight, the condition is serious, even if the exercise can not be easily adjusted, you may need to take medication under the guidance of a doctor. Appeared after the exercise also gained weight in the case, in the exclusion of exercise itself improper reasons, it is recommended to consult a doctor in a timely manner, to identify the cause of the disease, targeted treatment.