A one-and-a-half year old child’s fever with drooling may be caused by the growth of milk teeth, oral infections and sore throat, etc. You can choose to apply talcum powder and physical cooling, use soda to clean the mucous membranes of the mouth, and oral antibiotics for treatment. 1. Teething: When a child has just erupted his or her milk teeth, he or she may have a fever. When the milk teeth stimulate the gums, the child will secrete a large amount of saliva, which will lead to the symptom of drooling. Parents can apply talcum powder around the child’s lips and mouth and take physical cooling methods to reduce the temperature. If the temperature exceeds 38.5℃, acetaminophen or ibuprofen can be used to reduce the heat treatment. 2. Oral infection: When bacteria invade the mouth and infection occurs, fever and drooling symptoms may appear, parents can use soda to clean the oral mucosa for treatment. 3. sore throat: when bacteria infect the throat, may cause acute pharyngitis, fever and drooling symptoms, parents can take antibiotics under the guidance of the doctor, such as amoxicillin capsules. When a one and a half year old child has a fever and accompanied by the symptoms of drooling, it is recommended to take the child to the hospital for examination and diagnosis in a timely manner, and under the guidance of the doctor for treatment, the medication should be taken under the guidance of the doctor, and should not be taken without authorization, in order to avoid adverse consequences.