Is it illegal for migrant workers to use slogans to ask for wages?

First of all, it is certainly not illegal for migrant workers to ask for wages and put up slogans, but they need to pay attention to several issues:

1. The public order cannot be affected by asking for wages, especially not Crowds gathered to cause trouble.

2. Be rational and calm when asking for salary, and do not abuse, attack or make rude remarks.

3. Pay attention to the content of slogans, reflect the real situation, express your own demands, and especially not use insulting language.

4. The best way is to complain to the labor inspection department or apply for labor arbitration.