The most common causes of fever and muffled voice are bacterial infection, which needs anti-infection treatment, and if it is caused by viral infection, it needs anti-viral treatment, and fever needs to be treated by physical cooling or medication depending on the temperature of the fever. Bacterial infection caused by fever mute voice can use antibiotics for anti-infection treatment, such as under the guidance of the doctor to use cefixime granules, etc.,. If the fever is caused by viral infection, no special treatment is needed. If the fever is caused by influenza virus, antiviral drugs such as oseltamivir can be used according to the doctor’s instructions. Fever-reducing treatment can be based on the temperature of the fever, if the temperature is lower than 38.5 ℃ can be through physical therapy, warm water wipes, paste the cooling patch, etc., if higher than 38.5 ℃ can be under the guidance of the doctor to use ibuprofen suspension to reduce fever. The child’s voice mute fever may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, to give targeted treatment or treatment.