At the end of last year, the National Health Commission issued a notice on the establishment of standards for National Laboratory medicine centers, and formulated the Standards for the establishment of National Laboratory Medicine Centers. National Laboratory medicine centers should have the testing capabilities related to the diagnosis and treatment of major diseases, difficult diseases, critical diseases and sudden infectious diseases, and have the ability to radiate and guide grassroots laboratory services and improve their levels. List of necessary tests carried out by the National Laboratory Medical Center. In the list of necessary test items, a total of 5 specialties (clinical hematology and humoral, clinical biochemistry, clinical immunology, clinical microbiology, clinical cell molecular genetics) and 26 categories were set up.