The Toxicity Testing Center of Guzhou Medical University has passed the China Metrology Accreditation (CMA) in 2001. Depending on some agencies in school, such as toxicity testing center, the platform mentioned above, teacher training base for health education of Acquired Immune Deficiency Syndrome (AIDS) in Guizhou Province and Guizhou Environmental Mutagen Society (GEMS), we carry out the social service by exerting the preponderance of specialty, make our contribution to economy development and public health of Guizhou.