Thrush, also known as snow thrush, is a fungal infection called Candida albicans that forms a white patchy film like a snowflake on the surface of the mucous membrane, which occurs in infants and malnourished children. Reasons for the formation of thrush 1, the mother’s vagina has mold infection, the baby was born through the birth canal, contact with maternal secretions and infection; 2, bottle nipple disinfection is not complete, breastfeeding, the mother’s nipple is not clean; 3, contact with infected Candida food, clothing and toys, etc. 4, long-term use of antibacterial agents or inappropriate application of hormone therapy, resulting in the imbalance of the internal flora, fungus to take advantage of the situation and multiply, causing thrush. Oral manifestations 1, the oral mucosa appears milky white slightly elevated film, no inflammatory reaction around, like milk lumps, painless, forcibly wiped away below its red trauma does not bleed; 2, good in the lips, cheeks, tongue, soft palate mucosa, white plaque is not easy to wipe off with cotton swabs or wet gauze; 3, when the infection is mild unless carefully check the mouth, it is not easy to find, there is no obvious pain or only painful expression when eating. In severe cases, the baby will be irritable and restless due to pain, refusing to eat, etc., and sometimes accompanied by mild fever. 4, damaged mucous membrane treatment is not timely can be continuously expanded to the pharynx, tonsils, gums, etc., more serious lesions can spread to the esophagus, bronchi, causing candidiasis esophagitis or pulmonary candidiasis appear breathing, swallowing difficulties. Even other bacterial infections can be secondary to sepsis. Treatment and prevention 1, local medication can be mycobacterium powdered and cod liver oil drops mix, applied to the wound surface, every 4 hours. 2, systemic medication for children with severe symptoms can also take some oral antifungal drugs, such as mycophenolate or clotrimazole, etc., for comprehensive treatment. 3, dietary hygiene to maintain the cleanliness of tableware and food, bottles, nipples, bowls and spoons, etc. exclusive use, alkaline boiling disinfection after use. For breastfeeding, the mother should wash her hands and clean her nipples before each feeding. 4. Nutritional supplements should be chosen from foods that are easily digested and absorbed, rich in high quality protein, and with appropriate vitamin B and C supplements, such as animal liver, lean meat, fish, and fresh vegetables and fruits.