Kang Run is a kind of health care medicine during pregnancy, which is rich in vitamins A, D, E, iron, zinc, iodine and other trace elements. After taking it, the pregnant mother can supply the fetus through the placenta, and can also prevent deformity, promote the growth and development of the fetus, enhance intelligence and vision, promote the growth and development of the child to a certain extent, and improve the situation of the child's hair loss. But if the pregnant mother has a normal diet and no malnutrition, there is no need to take this medicine.