Feeling a growth one month after tonsillectomy may be due to postoperative granulomatous tissue or lymphoid follicular hyperplasia. Patients are advised to go to the hospital for review to clarify the cause. 1. Postoperative granulomatous tissue: some repair tissues will appear on the surgical wound during the postoperative recovery period, such as: scar tissue, granuloma and so on. In the case of granuloma, it is manifested by the appearance of uneven hyperplastic tissue in the wound. The granulomas will decrease in size in the first 3 to 6 months after surgery and eventually turn into scar tissue. 2. Lymphoid follicular hyperplasia: the tonsils are an important part of the pharyngeal lymphatic ring, after tonsillectomy, the scattered submucosal lymphoid tissues in the pharynx will be compensated for the hyperplasia, such as the growth of the pharyngeal isthmus can be manifested as a growth of something. If there is any discomfort after tonsillectomy, you can consult your doctor for a review to clarify the cause.