Is it effective to put up a small advertisement outside?

If you stand from the consumer's point of view, how will you react when you see this small advertisement? Generally, I feel disgusted, so small advertisements are harmful.

1, generally no one will believe, but if there is a need, there may be a need.

2. It is best to know the legal knowledge related to posting small advertisements before posting them. No one is allowed to distribute, hang or post promotional materials and advertisements in public places without authorization, and no one is allowed to portray, scribble or spray slogans, promotional materials and advertisements on buildings and structures.