One year old baby drooling badly may be physiological salivation in infants and young children, generally do not need to be treated. If it is caused by mouth ulcers, infectious stomatitis and other diseases, you need to treat the cause of the disease, such as medication, general measures. 1. Physiological salivation in infants and young children: it is one of the most common causes of salivation in infants and young children, which is related to the development of salivary glands, increased salivary secretion and tooth eruption. Salivation is aggravated when teeth erupt. The oral cavity does not have any pathological abnormalities, and the child’s mental appetite is normal. It can be considered as physiological salivation. Generally no special treatment, with the growth of time, the situation can be improved. 2. Mouth ulcers: If the baby suffers from mouth ulcers, it can also lead to severe salivation. After diagnosis can be in the doctor’s guidance to the child with local ice boron powder, watermelon cream and other drugs, can promote the healing of ulcers. At the same time to strengthen the child’s nutrition, appropriate supplementation of vegetables and fruits, to enhance their own immunity. 3. Infectious stomatitis: for infectious stomatitis caused by drooling children, need to clarify the causative organisms, if it is Candida stomatitis, you can use sodium bicarbonate solution under the guidance of the doctor to gargle, and follow the doctor’s instructions to take fluconazole and other antifungal drugs. There are many reasons why one year old babies drool a lot, so parents are advised to take their children to the hospital for examination and clear diagnosis. All of the above drugs should be used under the guidance of a doctor, avoid self-medication.