"hcy Gao" refers to an online celebrity who is honored as "He Chunyang". He is a middle school math teacher. Because of its image as a literary youth and interesting mathematics teaching methods, it became popular on the Internet. He published a series of videos about mathematics in Mile Mile, which made more and more young people love mathematics and changed the traditional mathematics teaching methods. Not only among students, but also among parents, they are very well-known and known as "the goddess comrade in mathematics".

Another meaning of "high hcy" refers to the unusually tall He Chunyang himself. In some of his popular videos, fans are very concerned about his height and show their height in the comment area. In fact, He Chunyang is more than 8 meters tall, which makes him a beautiful landscape in the classroom and one of the reasons why more netizens pay attention to him.

Besides teaching and height, hcy's height has another meaning, that is, He Chunyang's actor himself. He Chunyang is a low-key person who doesn't like too much hype and refuses many interviews. He thinks he is an "ordinary teacher", a middle school teacher with initial heart and enthusiasm in his teaching career. For him, online celebrities are just a by-product, and his initial intention is still to do his best to bring better education to students, which is why he has always maintained an ordinary mentality.