At 1 month of age, if the baby responds well to breastfeeding and has good weight gain except for mild yellowing of the skin, no special treatment is needed. For preterm or low birth weight babies and exclusively breastfed babies, jaundice will subside relatively late, and it can be prolonged to about 50-60 days. But for preterm babies or very low birth weight babies should go to the hospital regularly for jaundice index monitoring, if the jaundice value is higher or progressively aggravated, and the response, poor breastfeeding should be timely light and other treatments, hospitalization is recommended to carry out professional treatment. If the general condition is still good, you can also take oral probiotics, probiotics can promote the balance of intestinal flora, conducive to hepatic and intestinal circulation has a certain effect on jaundice.