White spots in babies’ mouths are usually caused by physiological reasons, thrush, stomatitis and other factors. 1. Physiological reasons: the baby will be found shortly after birth gums and palate will have white or yellow-white dots, the baby to eat milk, no other discomfort, this is the physiological manifestation of infancy, commonly known as the horse teeth, will generally fall off on their own, do not need special treatment. 2. Thrush: is due to oral candida infection caused by local inflammation, the performance of the baby’s inner lips, palate and cheeks mucosa and other parts of the curdled milk lumps of white film, the baby will have anorexia crying and other discomforts. Mostly seen in babies who drink milk powder, breastfeeding utensils are not thoroughly sterilized or contact with objects infected by Candida can be triggered. 3. stomatitis: is due to viral or bacterial infection caused by inflammation of the oral mucosa, will show local mucosal congestion, and white pus spots or herpes, later break out to form ulcers, there will be obvious pain, the baby will have to cry refusing to breastfeed, drooling, some will be accompanied by fever. The white spots in the baby’s mouth, there may be other reasons, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.