Is it illegal to offer fortune-telling classes?

This does not harm the social interests and national interests, but if you encourage others to commit crimes or infringe on the social interests of others and the country, it is a crime and constitutes a joint crime. If he slanders you, it is actually a violation of your personal rights. However, according to the laws of our country, only those who constitute harm will be investigated for civil liability, otherwise it will not constitute a crime. I suggest you refer to the general principles of civil law. Actually, Bin didn't break the law.