The difference between these two subjects is different in difficulty, learning content and teaching team.

1, the difficulty is different: Gaussian mathematics is less difficult, but Olympiad is more difficult.

2. Different learning contents: Gauss mathematics is a special way to cultivate children's learning methods and problem-solving ideas, while Olympiad mathematics is a special way to cultivate children's thinking.

3. Different teaching teams: The teaching materials of Gauss Mathematics come from the teaching and research teams of Tsinghua and Peking University, and the Olympiad is put forward by international mathematics education experts.