The work of archival repair is a kind of rescue conservation work on archives,if the method is not correct and suitable,the direct damage on archives will be happen. The technology of archival mounting with machine has been developed only for a short time,there has not been any normal standard and requirement about this kind of technology yet. There also have many problems in various archives during the process of using the machine.It should be researched and summarized.This article made a summary of the procedure of the work on the archival mounting technology with machine according to the practice by the author in the Second Historical Archives of China, it also pointed out the problems occurring in the work and gave the ways to solve these problems.