Obesity is mainly due to excessive fat deposition in the body, the corresponding condition, there are a variety of factors, mainly including genetic factors, lifestyle habits and the impact of endocrine conditions. 1. Genetic factors: obesity is affected by family genetic factors, family members belong to the obese body, the probability of individual obesity will increase. 2. Lifestyle habits: the most common cause of obesity, the main reason is the diet, often eat high-calorie, high-sugar food; in addition to the lack of exercise, for the consumption of nutrients is small, the two factors have a joint impact, resulting in fat deposition. 3. Endocrine status: hypothyroidism, body consumption is small, may lead to obesity; prolonged application of hormone drugs, easy to lead to fat deposition in the body, causing centripetal obesity. After obesity can not be improved through daily conditioning, it is necessary to consult a doctor in a timely manner, under the guidance of clinicians for standardized treatment.