Tooth decay at station b refers to Zuya Naxi, a food blogger at station b who can sing. Zuya Naxi has always appeared as a virtual character, breaking the previous form of up owner. He is loved by many people and is also rated as one of the major anchors of Station B.

She became popular because she sang covers of songs on station B. Her singing voice is not particularly stunning, nor is it particularly full of skills, but her singing voice has a long history and comes slowly, as if there is someone. Tell a story softly in your ear, and after it becomes popular, everyone affectionately calls her "Tooth Cavity".

The affinity of Tooth Decay is different from other Internet celebrities. Her singing voice and way of speaking are more realistic and can interact with the audience.