Abstract: The routine work of chemical testing laboratory management is very rich, and a large amount of data is involved. The information-based management system,integrating resources from all sources, makes the laboratory management more efficient.Chemical testing laboratory information management system was designed and developed combining actual work needs of laboratory. Requirement analysis, project and structure of the information management system which included background of the system,system module, business processes and database design, were detailed.Chemical testing la boratory information management system was developed by adopting SQL Server and VB.NET,based on C/S mode.Systematic function module involved documents,samples, supplies and reagents,equipment, testing, person and mainly included all areas of laboratory management in order to meet the requirements of laboratory management.