Is it illegal to post small advertisements and how to punish them?

Illegal. Posting small advertisements is subject to punishment, but the punishment authority is the city appearance and environmental sanitation administrative department of the city people's government or its entrusted unit, not the public security agency. Generally, a fine of not less than 100 yuan but not more than 1,000 yuan is imposed; in serious cases, a fine of not less than 1,000 yuan but not more than 10,000 yuan is imposed.

According to Article 34 of the "Urban City Appearance and Environmental Sanitation Management Regulations": Anyone who commits one of the following acts shall be ordered by the city appearance and environmental sanitation administrative department of the urban people's government or the unit entrusted by it to correct the violation of the law. In addition to illegal behavior and taking remedial measures, warnings and fines may be imposed:

(1) Spitting, defecating, and littering with peels, paper scraps, cigarette butts and other waste;

(2) Graffiti or engraving on urban buildings, facilities and trees, or hanging or posting promotional materials without approval; therefore, warnings and fines can be adopted for posting small advertisements.

Our country’s laws stipulate that no one may distribute, hang, or post publicity materials or advertisements in public places without authorization, and may not carve, write, or spray slogans, publicity materials, or advertisements on buildings, structures, etc. . Anyone who violates the regulations will be ordered to clear up, illegal property and illegal gains will be confiscated, and a fine of not less than 100 yuan but not more than 1,000 yuan will be imposed; if the circumstances are serious, a fine of not less than 1,000 yuan but not more than 10,000 yuan will be imposed. Anyone who uses or organizes to post, scribble, engrave, spray-paint or distribute slogans, promotional materials and advertisements for publicity without authorization shall have their illegal property and illegal gains confiscated and be fined not less than 1 yuan but not more than 100,000 yuan; if the circumstances are serious, they shall be fined not less than 100,000 yuan. Fines of up to 500,000 yuan.

Legal basis: Article 34 of the "Urban City Appearance and Environmental Sanitation Management Regulations". Anyone who commits any of the following acts shall be ordered to make corrections by the city appearance and environmental sanitation administrative department of the urban people's government or the unit entrusted by it. In addition to illegal acts and taking remedial measures, warnings and fines may be imposed:

(1) Spitting, defecating, and littering with peels, paper scraps, cigarette butts and other waste;

(2) Graffiti or engraving on urban buildings, facilities and trees, or hanging or posting promotional materials without approval;

(3) Buildings facing the streets on streets specified by the urban people’s government Stacking and hanging items that hinder the appearance of the city on balconies and outside windows;

(4) Dumping garbage and feces in a manner that does not comply with the prescribed time, place, and method;

(5) ) Failure to perform the cleaning and cleaning obligations in the sanitation area or failure to transport and dispose of garbage and feces in accordance with regulations:

(6) Transporting liquids and bulk goods without sealing, bandaging, and covering them, causing leakage and scattering;

(7) Failure to set up guardrails or shields at the construction site facing the street, failure to tidy up the work stoppage timely and provide necessary coverage, or failure to promptly clean up and level the site after completion, affecting city appearance and environmental sanitation.