There is a deviation between the hardware construction of online teaching courses in colleges and universities and the school reform model. The hardware facilities requirements for online quality courses in liberal arts colleges and universities are generally different from those of science-based information engineering colleges and universities. Different majors have different requirements for the picture quality, screen resolution and video fluency of online course recordings. The general course recording does not have high requirements for picture quality and screen resolution, but for el salvador leads course recordings similar to biology, in order to be able to more clearly see the color, shape and type of cells in experimental courses, it is necessary to prepare sophisticated recording equipment. Secondly, the class schedules of different courses are also different. The tape storage size, pickup technology, recording mode and tracking technology of courses with fewer class hours are not high.