Abstract: Laboratory animal facility environmental monitoring is a part of the facilities acceptance and implementation of administrative licensing system in experimental animals, but also the facility to monitor the use of units to understand facilities are important means. As the provider of environmental testing services for laboratory animal facilities, National Institutes for Food and Drug Control ( NIFDC) , after obtaining a large amount of on-site inspection data, it is necessary to complete the calculation and report production as soon as possible to achieve the commitment to quality and efficiency of customers. This paper introduces a main function and programming logic diagram of the laboratory animal facility environmental parameter quick calculator designed by the NIFDC facility environmental detecting team based on VB programming.