Lipids 1 and Lipids 2 are default screening subsets in some hospitals, and settings may vary from hospital to hospital, making it impossible to say what the difference is. Usually lipid tests include two, four, and complete tests. Lipid programs include triglycerides, total cholesterol, HDL cholesterol, LDL cholesterol screening, lipoprotein a, and apolipoproteins. According to the different sub-programs lipid tests are generally divided into two lipid tests, four lipid tests, and a complete set of lipid tests. 1. The two lipid tests include triglyceride and cholesterol tests. 2. Quadruple test includes triglyceride, total cholesterol, HDL cholesterol and LDL cholesterol. 3. The Lipid Panel also includes other tests such as Lipoprotein A and Apolipoprotein. The difference between Lipid 1 and Lipid 2 tests should be differentiated according to the specific hospital examination program, do not define the difference on your own, so as not to miss the items that you want to check, which will affect the subsequent consultation.