Drooling in infants with low fever may be related to herpes pharyngitis, acute tonsillitis, thrush and other diseases. It is recommended to go to the hospital in time to clarify the cause of the disease and treat the cause. 1. Herpes pharyngitis: caused by human enterovirus infection, mainly manifested as fever, sore throat, refusal to eat, nausea, abdominal pain, salivation (drooling) and other symptoms. 2. Acute tonsillitis: caused by upper respiratory tract infection, may be accompanied by sore throat, fever, etc. Salivation (drooling) may be triggered due to sore throat. 3. Thrush: the surface of the oral mucosa of the child can be seen to be covered with white milk clot-like dots or small flakes. Mild fever, irritability, crying, refusal to eat, salivation (drooling) and other symptoms may occur. Infants with low fever and drooling are advised to go to the hospital in time to clarify the cause of the disease and treat the cause.