1, a large number of false rankings: some users reported that in the counseling group of Hongguo Research, there were false information released by a group of people nicknamed Hongguo Research Assistant, claiming that their ranking data was accurate, but in fact the ranking results did not match the real situation.

2. The quality of learning resources is uneven: Some users claim that Hongguo Research provides a wealth of learning materials and courses on the surface, but in fact the quality is uneven, which brings troubles to learning.

3. Data tampering: Some users claim that the ranking data of Hongguoyan has been tampered with, which will affect students' judgment on their own performance and admission.