1, topic source: Four real questions of Huayan College come from the real question bank of exams over the years, while the real question training is organized by training institutions or publishing houses according to the real questions over the years.

2. Simulation degree: The simulation degree of the four real questions in Huayan College is higher, because the source of the questions is true, the difficulty and type are closer to the exam, and the real question training may have a certain degree of adaptability adjustment and difficulty balance, so the simulation effect is not the same.