Ma Hongchi teaches mathematics well in Liaoning Experimental Middle School. Teacher Ma Hongchi has only been teaching for half a year, and has already established a deep friendship with her 58 students. From Northeast Normal University to Liaoning Experimental Middle School, Mr. Ma was unprepared to be the head teacher of Class One and Six in Senior High School. He is excited, at a loss, uneasy and at a loss. In the first few weeks, he often worked late into the night until he found some clues.