One side of the rib ectropion may be caused by congenital factors, may also be caused by vitamin D deficiency and other pathological factors, mainly to take conservative correction, surgical correction. 1. Congenital factors: it may be caused by congenital genetic factors or congenital developmental abnormality, if it is only mild rib ectropion, we should pay attention to adjusting the way of sleep, and try to favor the side of rib ectropion when sleeping, but if it is already an adult and the rib ectropion is more serious, it needs to be corrected by surgery. 2. Vitamin D deficiency: If vitamin D deficiency is serious, it will also easily lead to rib ectropion, and it is necessary to supplement vitamin D in time, for example, vitamin D2, vitamin D3, and with calcium lactate, calcium gluconate, etc. However, if one side of the ribs ectropion is more serious, and the bones are shaped, it is necessary to take surgery to correct it. One side of the rib ectropion is recommended to be corrected by the doctor’s operation, and the patient should not correct it by himself, especially should not use the medication by himself arbitrarily.