Recently, as the level of treatment at animal hospitals has improved, there has been tremendous growth in the number and types of laboratory tests for accurate diagnosis. Laboratory testing is critical for disease diagnosis, follow-up, and appropriate treatment implementation in veterinary hospitals. It occupies an important aspect not only in the diagnostic aspect but also in the income of hospitals. Accordingly, the role of veterinary nurse in conducting clinical pathological tests is emphasized, and they must be performed in the quality control and accurate methods of various laboratory equipment, and maintain a safety laboratory environment, medical waste treatment, quality control of test value, and record keeping. Institutions that train veterinary nurse should focus on nursing and medical assistance and other hospital management tasks such as guardian counseling, management of supplies, drug management, waste management, and various clinical pathological tests to help diagnose, so increase their treatment efficiency of animal hospitals and veterinarians.