Why can you laugh at Peisi Chen and Zhu Shimao's sketches in the 1990s?

Peisi Chen and Zhu Shimao's sketches are completely derived from life, which is more exquisite and sublime than life. During the performance, the expressions and psychology of the characters are well interpreted, which is also the respect of Peisi Chen and Zhu Shimao. In that era when entertainment programs were scarce, they performed very attentively and in place, which was easily recognized by people. Every program was realistic and representative.