The daily recitation of the "five lessons" in temples in modern Han Dynasty was gradually unified in the late Ming Dynasty. Because Buddhism in the Yuan Dynasty was quite chaotic. After a little rectification in the early Ming Dynasty, the daily activities of various temples were different. Later, it gradually became a rule, that is, singing "five lessons" twice a day in the temple in the morning and evening. Therefore, the "five lessons" are the daily necessities of Buddhist monks and nuns in Han Dynasty.