What was the real cause of Zhu Yuanzhang's death?

During Zhu Yuanzhang's reign, he reformed all aspects. Politically, he abolished the prime minister, set up a department to undertake propaganda and deployment, a department to punish trials, and decentralized all command departments, further strengthening centralization and severely punishing corrupt officials.

Militarily, the system of health centers was implemented and the Northern Expedition was carried out. Economically, we will make great efforts to resettle land and army, build water conservancy projects, liberate handmaiden and reduce the tax burden.

1398 (thirty-one year of Hongwu), Zhu Yuanzhang died at the age of 7 1, and the temple name was Taizu. posthumous title opened the heaven and established the Great Sage as the supreme god, benevolence and righteousness. Wu Junde succeeded him as the high emperor and was buried in the Ming Tombs.

Extended data:

In the thirty-first year of Hongwu, on the tenth day of May, Zhu Yuanzhang died in Yingtian Palace (Nanjing Forbidden City), and wrote down the testamentary edict:

"I've been in destiny for 30 years and I'm worried about danger. I am diligent and not lazy, benefiting the people. Nai started from scratch, with no knowledge of the ancients, and his likes and dislikes are far behind.

Today, everything is natural, and there is a feeling of ridicule and mourning. Sun Yun, the first wife of the emperor, is a filial friend, and the world is devoted to her heart, so it is appropriate to be in a big position. Civil and military officials at home and abroad unite to help the government protect our people.

Don't use gold and jade in mourning. Because of it, the mountains and rivers of Xiaoling don't change. People all over the world, crying for three days, are free and do not hinder marriage. The king is in the country, not in the capital. If it's not in the order, push it in this order. "

Zhu Yuanzhang was buried in the Mausoleum of Purple Mountain after his death. On June 1st, the 31st year of Hongwu, posthumous title "Qin Ming and Junde successfully unified Emperor Tianda", with the temple name Mao.

References:

Baidu Encyclopedia-Zhu Yuanzhang