The old saying goes that corruption in the sports field is deep and often unknown. People may have had different interpretations of this sentence before, but now it seems that especially after Guo Zhongwen, who parachuted into the position of director of the General Administration of Sport, was brought down six years later. This statement has undoubtedly been greatly confirmed. However, this time the incident occurred in the less well-known field of judo and was just a scandal. According to Judo Olympic champion Zhuang Xiaoyan's statement on her personal social media platform, her mentor Liu Yongfu is a wolf in sheep's clothing. Liu Yongfu forced his students to take drugs in order to achieve results. Of course, taking drugs is not enough, training cannot be neglected either. However, Zhuang Xiaoyan was very resistant and sometimes directly spit out the medicine. This kind of medicine has great side effects and can almost cause irreversible damage to the body. Liu Yongfu noticed Zhuang Xiaoyan's abnormal behavior and sometimes watched her take the medicine before leaving. However, including Zhuang Xiaoyan, many Judo students dared to be angry but did not dare to speak up. At present, only Zhuang Xiaoyan has openly criticized her mentor Liu Yongfu, while other disciples of Liu Yongfu have not spoken out. This is because Liu Yongfu is a Judo coach with the power of life and death. Most people only know that Coach Liu Yongfu has a great reputation in the Judo world. For example, Li Zhongyun won the women's Judo gold medal at the 1988 Seoul Olympics.…