Survey of Residents’ Satisfaction with the Environmental Sanitation of Key Public Places Under the Background of National Healthy City-China, 2021

National healthy city establishment is an urban construction activity with Chinese characteristics.As an essential part of establishing national healthy cities,environmental sanitation covers many environmental hygiene-related issues.Among them,public place sanitation has been the focus and difficulty in China for many years,especially in key public places(small restaurants,small“internet cafes,”small hairdressers,small dance halls,small hotels,and small bathrooms),which are ubiquitous.