1, stage effect requirements. Zhang Yunlei wearing a thick sweater and pie can better shape the image in cross talk and enhance the performance effect. Crosstalk, sketch and other types of programs are usually performed on the stage. In order to pursue better viewing effect, actors also need to carefully design costumes.

2. Physical comfort. Zhang Yunlei also explained in an interview that the human body is very sensitive to temperature changes, so wearing thick clothes can keep the body warm and avoid physical discomfort such as colds. Besides, Zhang Yunlei needs to be active when performing. He sweats a lot, and thick clothes can keep him comfortable when he is wet.