No reason was announced.

Quan Hongchan is a "talented hard-working" athlete. Her jumping ability and waist and abdominal ability are outstanding among her peers. Her body shape meets the selection standards for divers. Her body is flexible and her control is better than her peers. People must be strong. The hand ability is relatively strong. She is very able to endure hardships and takes training very seriously. She goes all out to show off her abilities every time she trains.

As the Tokyo Olympics comes to an end, the names of Quan Hongchan and many other Olympic champions have been registered as trademarks. In response to this malicious and malicious behavior that takes advantage of the popularity, on August 18, 2021, the Chinese Olympic Committee will issue a statement requiring relevant individuals and companies to immediately withdraw and stop trademark registration applications.

On September 30, the State Intellectual Property Office responded to "Quan Hong Chan's trademark registration." Shen Changyu, director of the China State Intellectual Property Office, said that on August 19, the office had issued a notice regarding "Quan Hong Chan" ” and other 109 cases of malicious registration of trademarks were quickly rejected in accordance with the relevant provisions of the Trademark Law, and the lists of applicants and agencies were exposed. At the same time, the relevant local intellectual property management departments have interviewed relevant agencies and imposed administrative penalties.