The use of sodium bicarbonate injection in neonatal jaundice can help raise the blood pH, which is conducive to the combination of albumin and bilirubin, reduce the concentration of free and unbound bilirubin, and promote the excretion of bilirubin. If a newborn has jaundice, the clinical use of more drugs is sodium bicarbonate injection, and with the blue light irradiation treatment, the combination of the two will be more effective. However, due to sodium bicarbonate, if the concentration is too large or prolonged exposure, it may lead to the production of large amounts of carbon dioxide gas in the stomach, abdominal distension, abdominal pain and other adverse reactions, but also may lead to metabolic alkalosis, hypokalemia, so you need to use it under the guidance of a doctor, do not use it on your own. Neonatal jaundice, it is recommended to consult a doctor in time and follow the doctor’s instructions for treatment.