1March, 927 18, Kang Youwei, who is about to celebrate his 70th birthday, arrived in Qingdao from Shanghai to avoid the Northern Expedition. On March 29th, he attended a banquet for a fellow villager, vomited after the banquet, and died of sudden massive bleeding at 7 o'clock in the morning on March 29th. Regarding the cause of death, daughter Kang Tongbi insisted that it was food poisoning before her death, which led to death. Kang Tongbi's daughter Luo Yifeng wrote a confession during the Cultural Revolution, saying that Kang was poisoned by * * * *.

Kang Tonghuan, another daughter of Kang Youwei, thinks that the food in Ying Ji restaurant may be unclean, not necessarily because of political struggle. Lu, a disciple of Kang, revealed to his son at the end that he was killed because Kang didn't agree with Pu Yi to go with the Japanese.

In addition, the statement that Kang Youwei died of testicular transplantation is also rampant, which has become a hot topic in the market for a time. Historical researcher Chen wrote, "Did Kang Youwei transplant monkey testicles?" Through the excavation of historical materials, the truth that Kang Youwei died of testicular transplantation was revealed.

1927 Kang Youwei died of illness in Qingdao in March. There are different opinions on the cause of death due to bleeding from seven orifices. His daughter Kang Tongbi insisted that her father died of food poisoning. During the Cultural Revolution, Kang Tongbi's daughter Luo Yifeng wrote a confession that Kang was poisoned by * * *.

(1) Kang Tonghuan, another daughter of Kang, thinks that Kang's food poisoning may be caused by unclean food in restaurants, not necessarily because of political struggle.

(2) In addition, there is a saying that Lu, a disciple of Kang, poisoned the Japanese. In the late 1930s, Lu took refuge in the Japanese and served as the finance director of the pseudo-Qingdao Special City. According to Kang's last confession to his son, he didn't agree with Puyi to go with the Japanese, so he was killed. (3) Others, such as the theory of hidden harm of Cixi's remaining party, are also circulated. But to say that the most influential and widespread is nothing more than the theory of testicular transplantation death.

The origin of this theory was disclosed by Gao Baishi, an old newspaper reporter in Taiwan Province, in the supplement of Xinsheng Newspaper in 1950s and 1960s, and later included in his Notes on Spring Breeze Ancient Houses. After this article was paraphrased by Mao Dan's article Kang Youwei in his later years, mainland media reprinted it one after another, and Kang Youwei's theory of testicular transplantation was widely known.