Abstract: The construction of internal control of the unit is an important way to implement the comprehensive and strict management of the party and the construction of the party style and clean government, and the informatization of the internal control is an important way for the unit to implement the internal control system.Through the information system, the organization, working mechanism, rules and regulations, job responsibilities, business processes and other internal control management requirements are further refined to ensure the safety and effectiveness of various management measures, eliminate the influence of human factors to the maximum extent, and improve the management efficiency and effect.This is the core significance of the internal control informatization construction.This paper studies the informatization construction of internal control of public welfare institution H funded by the central government, discusses and analyzes the current situation and problems of the informatization construction of internal control of unit H, puts forward targeted optimization paths from the unit level and key business level, and gives suggestions on the implementation of informatization construction of internal control of administrative institutions of other geological survey institutions.