Why did Zhu Yuanzhang only be emperor for 88 days?

Not 88 days, Zhu Yuanzhang was emperor for 30 years. Zhu Yuanzhang (1328-1398 June 24th), the supreme emperor of Ming Taizu, was named Guo Rui. Formerly known as Chongba, it was later named Xingzong. Han nationality, born in Lizhong, Haozhou, was the founding emperor of Ming Dynasty (1368 ~ 1398 reigned), with the year number "Hongwu", and was born in Guzhuang Village, Taiping Township, Lizhong, Haozhou (now Fengyang, Anhui).

During Zhu Yuanzhang's reign, politically, he strengthened centralization, abolished the prime minister and the Ministry of Finance, set up three divisions to divide local power, and severely punished corrupt officials and lawless scholars; Military implementation of health care center system; Economically, we will make great efforts to resettle the land and the army, build water conservancy projects, reduce tax burdens, survey the land nationwide, and check household registration. Culturally, pay close attention to education, advocate imperial examination, establish imperial academy to train talents; In foreign relations, establish a "country that does not levy."