In fact, it is easy to understand that ancient customs and simple lifestyles appear in turn, and ancient paintings are paintings depicting ancient customs and simple lifestyles (for example, ancient customs still exist ...). In fact, it is very important to understand the wind, which means that customs and ethos are the behavior patterns or norms that people have followed in a specific social and cultural area. It is customary to call the difference of behavior norms caused by different natural conditions "wind" and the difference of behavior rules caused by social and cultural differences "vulgarity". The so-called "different winds in a hundred miles, different customs in a thousand miles" appropriately reflects the characteristics of different customs in various places. Custom is a social tradition. Some popular fashions, customs and inappropriate parts of the original customs will change with the changes of historical conditions. That's what the so-called "changing customs" means. Custom is a kind of historical formation, which has very strong behavioral constraints on members of society. Custom is the basis and supplementary part of social morality and law.