The main purpose of cleaning up small advertisements in corridors is to improve environmental sanitation, maintain public order, ensure the normal life of residents, protect the legitimate rights and interests of residents, ensure safety and maintain harmony. This can also reduce noise, reduce pollution, improve the quality of life of residents, and reduce the impact of small advertisements on residents in the corridor.

Corridor small advertisements refer to some small advertisements pasted inside residents' corridors, most of which are propaganda of various goods and services, and some are political propaganda or religious propaganda advertisements.