Xu Shiyou has many legends in his life.
In 1973, after the commanders of the eight major military regions were transferred, Xu Shiyou came from the Nanjing Military Region to the Guangzhou Military Region. In the first half of 1974, a cadre of the Organ of the Nanjing Military Region who was very familiar with Xu Shiyou went to Guangzhou on a business trip and stayed at the Pearl River Hotel of the Military Region. The cadres from the Nanjing Military Region who came on a business trip first called to express their greetings to Xu Shiyou and proposed to visit Xu Shiyou at No. 7 Lingering Garden.

Pearl River Hotel and Lingering Garden No. 7 are only 100 meters away. After the secretary Sun Hongxian reported xu Shiyou, he was preparing to greet the guests visiting from afar. Unexpectedly, Xu Shiyou's face darkened, and he instructed: "This person is a secret agent sent by someone from the Nanjing Military Region, and you should notify the Security Department of the Military Region and arrest him immediately!" ”
Secretary Sun was stunned at once, and did not expect xu Shiyou to make such an unusually normal judgment and decision in an instant, and immediately felt embarrassed. What do you say about the guests from Nanjing? What do you say to the Ministry of Security? Inform the Ministry of Security to arrest people, there is no basis, do not inform it, this is an instruction made by Commander Xu himself, how dare he disobey it?
Secretary Sun returned to his office and calmed down to think, trying to find a way to deal with this difficult problem. After considering it, he concluded that Xu Shiyou had instructed to arrest people without serious thinking, and at this moment he may also be reflecting on whether his decision was correct! Therefore, it was decided not to call back to the guests from Nanjing, nor to notify the Ministry of Security, and to explain to Xu Shiyou after a relaxation.
Subsequently, Secretary Sun asked the staff who followed Xu Shiyou from Nanjing about the situation, and everyone said that the cadre who came to Nanjing on a business trip had a good character, and in the past, Chang Saddle followed Xu Shiyou to the troops to inspect the work, and it was impossible to be a secret agent. As a result, Secretary Sun had a more bottom in his heart.
After an hour, he knocked on Xu Shiyou's door again, and then said to him: "The fact that guests from Nanjing came to visit you shows that he is not a secret agent. ”
He paused for a moment, and seeing that Xu Shiyou was silent, he boldly said, "Is it not necessary to let the Security Department understand the situation clearly before we say?" ”
"Don't need to understand, it wasn't the spy who invited him to the house for a drink at night!" Xu Shiyou said.
Secretary Sun was stunned again, still to the man, an hour ago said that he was a spy to arrest, and now he was a guest of honor to invite him to drink, this one hundred and eighty degree bend turned so quickly, so firmly.
Later, Sun Hongxian recalled the incident and explained:
"This is Xu Shiyou. The excessive dangers he experienced during the war years cultivated his instinct to always like to judge from the most complex aspects when encountering things. Although it can sometimes make people cry and laugh, but a comprehensive analysis, his vigilance just in case is not difficult to understand. ”