Conclusion
There is a good correlation between the search volume of the Baidu index and the number of outpatient visits. The changing trend of the Baidu index can reflect the actual demand of patients. The outbreak and prevalence of COVID-19, as well as the promotion and implementation of epidemic prevention measures, have had a certain impact on the occurrence and prevalence of adenoid hypertrophy in children. At present, it has a restraining effect on the growth and prevalence of the disease. Daily use of medical masks, social distancing, and attention to hand hygiene may reduce the incidence of adenoid hypertrophy.