Excellent competition is superb. Good. One of the characteristics of the super class of mathematics training contest is to discuss heaven, which contains many interesting problems that can be solved by using existing knowledge. This provides students with an opportunity to explore independently. It is the crystallization of mathematical wisdom. Dialogue with masters and mathematics is a major feature of the super class of mathematics training contest, an important symbol of mathematics culture, and a beneficial attempt to promote quality education in the field of mathematics learning.