Thigh long calf short: 1, may be due to epiphysis-related injury, such as when the patient is in the growth period, if the epiphysis around the calf is damaged, it may lead to delayed growth and development of the calf, the patient in the thigh part of the epiphysis will compensatory increase a part to keep the patient’s height normal, resulting in the size of the leg disproportion. 2, there may also be This is a physiological state, and there is no disease. So if the situation of long thighs and short calves does not affect normal work life, then generally do not need special treatment. If there is pain, deformity or serious impact on the patient’s work and life, you must go to a regular hospital in a timely manner and choose a scientific and reasonable treatment method.