Tonsillitis infusion takes about 7 days, the specific time needs to be decided according to the severity of the disease, clinically there is the following analysis, if the onset of tonsillitis is very serious, there is a diffuse enlargement of the tonsils, pharynx diffuse congestion and even edema, tonsillar crypt inside a large number of abscess formation, accompanied by systemic fever and other systemic symptoms, check the blood picture white blood cells, neutrophils and other significantly elevated. The duration of anti-inflammatory infusion is at least 7 days, and some patients with underlying diseases such as diabetes or low immunity may need more than 10 days or even 15 days. The principle of treatment is to control the inflammation thoroughly, review the blood picture and check the local inflammation of the tonsils is well controlled before the anti-inflammatory infusion can be stopped clinically, otherwise once the medication is stopped, the condition will worsen again and the treatment time will be longer. If the tonsillitis congestion is not very serious, there is a little pus formation, the blood routine is mostly mildly elevated, not accompanied by systemic symptoms, the anti-inflammatory time may be about 5 days, the later can be replaced with oral antibiotic therapy, so the time of tonsillitis infusion, need to be decided according to the changes in the patient’s condition, there is no specific time.