1. Proportion of teachers and students in the class. Xuantang Studio advertises that the teacher-student ratio is 1: 15, which belongs to small class teaching, and the teaching quality will definitely be higher. 2. achievements. Xuantang Studio has a high pass rate of 85.6% in promoting Central American paintings. In 20 17, a student was sent to the Central Academy of Fine Arts. It seems that the teaching quality is still good. 3. Students' pictures. This needs to be seen at the scene. 4. Teachers' teaching experience. It is also best to go to the field and listen to the teacher's lecture ideas. According to the propaganda of Xuantang Studio, all the basic teaching teachers have been teaching for more than 5 years, and most of them are graduate students or above, which is quite cruel. 5. The authenticity of the publicity results. If they can provide the contact information of the students, they can call and ask, or ask the students who have been admitted there. 6. The pertinence of the course arrangement. Xuantang Studio advocates targeted teaching, and it is necessary to make an examination plan according to each student's specific situation in the later stage. This is still relatively systematic. If it is not targeted, it will take many detours.