The definitive treatment for chronic tonsillitis mainly involves surgical removal. Before undertaking the surgery, doctors will conduct a strict assessment to see if there are indications for surgery. Common indications include repeated episodes of chronic tonsillitis, acute outbreaks, or the formation of a peritonsillar abscess, under which circumstances surgery is strongly recommended. Repeated episodes are defined as more than four occurrences per year, at which point surgery should be considered. Furthermore, if the tonsils are so large that they interfere with swallowing, speech, or breathing, such as causing snoring or unclear speech, surgery should also be considered. Moreover, chronic tonsillitis can lead to other diseases since the tonsils are an immune organ, and prolonged chronic inflammation might trigger certain immune-related diseases, such as chronic nephritis, skin diseases, and psoriasis. In such cases, the relevant departments will advise patients to first visit an otolaryngology (ENT) department to have the tonsils removed, which is beneficial for further treatment of the related diseases. Additionally, if the tonsils exhibit signs of benign growths with chronic inflammation leading to lymphatic tissue hyperplasia and cyst formation, surgical removal is recommended to achieve a definitive cure.