Behind Mao Zedong's huge figure, there is a group of special people - they have all the clues of that era. Entanglement and reputation are closely related. Their wisdom, talent, loyalty and even life are quietly injected into this era. This figure was difficult for people to spot at the time. This group of people are Mao Zedong's secretaries. The 35 secretaries have different divisions of labor and similar personalities.