1. The teachers of China Accounting Online School are experienced and have a deep understanding and mastery of accounting knowledge, which can provide more comprehensive and systematic training for candidates. The teachers in Si Er Online School are younger and have less experience than those in China Online School of Accounting, so China Accounting is easier to test.

2. China Accounting Online School is rich in courses, which can meet the needs of different candidates, while Si Er Online School has fewer courses, which cannot meet the needs of all candidates, so China Accounting is easy to test.