The sooner the baby’s leg stripe asymmetry is checked, the better, so as not to make the condition more difficult to correct. The leg lines around the thighs and knees of infants after birth are asymmetrical from side to side, i.e. infant leg stripe asymmetry. After birth, parents should pay attention to the symmetry of leg thickness and length, and the symmetry of the mobility of the lower limbs, etc. If there is any asymmetry, they should consult the doctor immediately and have it checked in time. The asymmetry of leg lines in most children may be related to the unbalanced growth of muscle tissues on both sides, and there is no other deformity of the legs. However, some children may have congenital abnormalities of the hip joint development, and in addition to the asymmetry of the leg lines, one side of the hip joint may not be able to abduct. Early detection and physical therapy for 3-6 months is effective in correcting the problem. If the disease is diagnosed after 1 year of age, surgery is usually required. Asymmetry of the leg lines is one of the early signs of hip developmental abnormalities. If abnormalities are detected, it is recommended to consult a specialist promptly and then undergo further examination to make a definitive diagnosis.