If the phenomenon of lateral thigh flabbiness occurs, it is likely to be caused by the following four reasons: 1, consider the patient’s body is relatively small, and the body lack of calcium can be caused, for this case, the patient needs to strengthen physical exercise in a timely manner, and to increase the nutritional intake, and eat more nutritious food. 2, consider the patient’s skeletal dysplasia, for this case, the treatment is relatively difficult, you need to go to the hospital to do detailed examination and symptomatic treatment. 3, family genetics, for hereditary lateral thigh flabbiness, the patient can recover through gymnastics leg press. 3, family heredity, for hereditary lateral thigh flap, the patient can through gymnastics leg press for rehabilitation. 4, body type obese people may also appear in this situation, body type obese people’s own tissues will be attached to the bone and thus lead to this situation, for this case can be corrected by losing weight.