78 points. College entrance examination is the abbreviation of national unified entrance examination for ordinary colleges and universities, and it is the most important entrance examination for China people. By the China people and the Ministry of Education unified organization scheduling, or the implementation of independent proposition of the provincial examination institute proposition. Every year, the average scores of all subjects are counted in all regions of the college entrance examination, among which the average score of mathematics in 22 college entrance examinations in Guizhou is 78.