The reason Chen Pingping wanted to kill the Qing Emperor was mainly because he discovered that the Qing Emperor's scheme had led to Ye Qingmei's death. Chen Pingping was full of love and loyalty to Ye Qingmei. He had been investigating who had killed Ye Qingmei. When he discovered that it was the Qing Emperor, he decided to set up a plot to assassinate the Qing Emperor. The reason the Qing Emperor killed Chen Pingping was because Chen Pingping wanted to assassinate him. The Qing Emperor believed that Chen Pingping was a threat and could not tolerate his existence. In the end, Chen Pingping did not succeed in assassinating the Qing Emperor. Instead, he was executed by the Qing Emperor.