Patients can drink water properly 4-6 hours after tonsillectomy. Patients can eat liquid food, such as thin porridge, egg custard, protein powder, and noodles, but it must be room temperature, not too hot, too spicy, too salty, otherwise it is easy to stimulate the operation area and aggravate the pain, and antibiotics and hemostatic drugs need to be applied together after surgery. It is also recommended to brush the teeth and rinse the mouth regularly after surgery, you can rinse the mouth with light salt water or rehabilitation new liquid to maintain oral hygiene and prevent infection and aggravate the patient’s condition.