During the period of 1986, Li Zhengcheng broke his hamstring twice while practicing "blanket skills". For more than a year, in order not to delay training, he insisted on holding back the pain every night and pulled his injured leg to the top of his head for practice. Many things happen. 1988, Li Zhengcheng appeared in Shanghai anxiously and won the "Magnolia" gold medal in the Jiangsu-Anhui Shanghai Opera Radio and Television Grand Prix. 1994, Li Zhengcheng was injured for the third time while performing in Shanghai, and suffered a lumbar fracture. The heavy blow kept him in bed for three months, almost unable to move and unable to practice for a time. Frustrated, he once thought that he would miss the stage of Yangju Opera, but in the end, he recovered his wonderful martial arts with tenacious perseverance and hard work. Now, we can also see Lin Chong's beautiful and clean martial arts figure on the stage in Running at Night. Sun, a dramatist, said that in the play "Running at Night", he danced and sang at the same time, and finally there was no breath at all, which showed that he had a good foundation. However, many young and middle-aged actors and Peking Opera actors in China are unwilling to make such efforts, which makes him very moved.