As we understand it, neonatal thrush is what is referred to as thrush. It refers to an inflammation of the oral mucosa caused by Candida albicans infection, which can be treated by a newly prepared mycobacterium solution, the general concentration is 100-200,000 units per 5-10 ml, dipped in a cotton swab and applied to the mouth, about 3 times a day, usually 3-5 days can improve on its own. When it recurs, we need to find out further what the cause is. Generally speaking, the appearance of this thrush has a lot to do with the baby’s autoimmunity, such as the presence of low immunity, when there are infections or intestinal diseases occurring, thrush may appear. Another condition is the sterilization of the bottle. If the baby is artificially fed, the bottle sterilization or pacifier sterilization must be done properly, otherwise it will easily lead to recurrent thrush. In another case, if the baby is directly breastfed, it is recommended that the mother’s nipple should be cleaned and prepared before each breastfeeding. If there are still recurring thrush attacks, it is still necessary to visit the hospital and consult a doctor.