You can kill chickens on the first day of the first month.

You can't kill chickens only on the first day of the first month, but also on other days.

The Spring Festival has a long history, which evolved from praying for the New Year at the beginning of the year in ancient times. Everything is based on the sky, and people are based on their ancestors. Pray for the old age to worship the ancestors and report back to the original. The origin of the Spring Festival contains profound cultural connotations, and it carries rich historical and cultural connotations in its inheritance and development.