With the development of economy, the progress of science and technology, people's production and life style has ushered in a huge change. Among them, the development of computer technology is of great significance to the development of modern industry. At present, all walks of life are involved in computing, computer applications, and in the computer application process, scientific management and security maintenance, can extend the life of the computer, and then improve the efficiency of computer use. Therefore, it is of great significance for the development of computer industry to study the scientific principles and safety maintenance strategies in computer application.