Chengzi Sanzhai, located in Zhengdong Village, Zhengdong Town, Jiangcheng County, Pu’er City, is home to Dai, Hani, and Han ethnic groups. In this village, local rules and customs are recorded into Dai, Hani, and Han ethnic languages and the audio is broadcasted in the village from time to time. In this way, the village’s “Poverty Alleviation Rules”, “Village Customs and Rules”, and “Environmental Hygiene Regulations” and other cultural and civilizational knowledge is broadcasted in the audio form.