Che Yu is from Xiajin, Dezhou, Shandong Province. Che Yu Zheng, a national first-class actor, has been highly praised for his role as Chairman Mao for decades.

Life common sense refers to the scientific knowledge summarized by people in daily life, which can be divided into physics, biology, chemistry, medicine, first aid knowledge, geography, safety, cosmic celestial bodies, natural phenomena and other common sense contents.