Tonsils have a role to play in the body, so it is best not to remove them if you can, especially in children. Will there be any sequelae if the tonsils are removed? What are the sequelae of tonsillitis after removal? From an immune theory point of view, tonsils are indeed very useful. However, from a therapeutic point of view, if the tonsils have serious infections and repeated inflammation, affecting the function of the eustachian tube, so that hearing is affected; or forming foci where bacteria hide, leading to recurrent arthritis, rheumatism, asthma, and other diseases, especially bullous pemphigoid that does not heal for many years. At this point, the tonsils are not only unhelpful to health, but also bring more pain to the body, that should be performed tonsillectomy. Zhang Haoliang, Department of Otolaryngology, Guangzhou Twelfth People’s Hospital From the point of view of immunity, children should not just remove their tonsils. Because removal may affect the local immune response and reduce the body’s ability to fight infection, tonsils in other parts of the body, such as the lingual tonsils, pharyngeal lateral cords and adenoids, may reactively proliferate and cause throat discomfort, so care must be taken. Tonsillitis should be removed promptly in people with recurrent attacks that prevent breathing and swallowing and cause diseases such as rheumatism and nephritis. Generally, tonsillectomy in children should be performed after the age of four, and it is more appropriate to wait for two to three weeks after the inflammation subsides. However, if the attacks are too frequent and cannot wait for a long time, surgery can be considered a few days after the attacks subside.