The symptoms of adult adenoid hypertrophy can be determined by the degree of hypertrophy, which can lead to no symptoms when the degree of hypertrophy is low, and can lead to snoring and breath-holding when the degree of hypertrophy is large, as follows: 1. It can lead to nasal congestion, and when it is complicated by sinusitis, pus and headache can appear. If the above-mentioned symptoms occur, surgical treatment is required. At present, adenoid ablation under plasma guided by nasal endoscopy is mostly used, which is minimally invasive and can be performed under local anesthesia, with the advantages of less bleeding, faster recovery and better results.