A poor people (do not spend money) the bottom line: 1 eat well (good appetite) 2 sleep well (rest well) 3 two stools smooth (urinary and fecal fluids) 4 weight does not exceed (height minus 100 after the number of kilograms for the weight) 5 blood pressure is not high 6 women’s own breast to learn to touch their own breasts, their own learn to observe their own menstruation Two well-off people (spend a few hundred dollars) the bottom line: in the basis of not spending money plus the following. Wang Shangkai, Department of Pathology, Fengqiu County People’s Hospital1 Blood, urine, and stool tests (blood cell count, lipids, lipids and sugar, liver and kidney function, pathogens, etc.)2 Abdominal ultrasound (for women, plus gynecological ultrasound)3 The bottom line for the rich (who spend a few thousand dollars) is to add the following on top of the first two items.1 Gastroscopy, 2 colonoscopy, 3 blood tests (endocrine hormones, tumor-related antigens, etc.)4 Brain MRI, 5 chest CT, 6 male prostate, 7 cardiac CT, 8 PET (positronic tester), 8 vascular CT, 8 PET (positronic tester), and 9 blood tests. Vascular CT8 PET (Positron Emission Tomography)