People over 40 years old are the “main target” of many diseases, it is recommended to have a systematic checkup every 1-2 years, the following are the recommended checkup items: 1, three routine – blood analysis, urinalysis, stool routine + occult blood The most basic checkup items, simple and convenient. 2, liver function, kidney function, lipid analysis, blood glucose monitoring is also very common, but significant examination items. 3.Electrocardiogram is an essential checkup. 4.Hepatitis B five items are suitable for people who have hepatitis. 5.Tumor markers are suitable for the elderly. 6.Chest X-ray or chest CT is especially suitable for long-term smokers or people with family history of lung tumor. 7.Ultrasound of liver, gallbladder, pancreas, spleen and kidney is also a more common test. 8.Gastroscopy and colonoscopy are more suitable for people with long-term gastrointestinal discomfort, especially recommended for people with gastrointestinal tumors. 9.Cranial CT, cranial MRI + MRA are suitable for people with combined cardiovascular and cerebrovascular risk factors (such as hypertension, diabetes, hyperlipidemia, etc.). 10.For people with hypertension, fundus examination, urine microalbumin examination, carotid ultrasound examination, cardiac ultrasound examination and monitoring of ambulatory blood pressure monitoring and renal artery ultrasound if necessary are also required. 11. For patients with coronary artery disease, ambulatory electrocardiogram, cardiac ultrasound, and coronary CTA if necessary are also recommended. For patients with diabetes, glycated hemoglobin, urine microalbumin, 24-hour urine protein quantification, fundus examination, and diabetic peripheral nerve examination are recommended. 13.For people with high incidence of tumor, it is recommended to perform tumor markers, CT or MRI examination of corresponding organs. 14.For women, cervical smear examination, breast ultrasound or mammogram are needed. 15.If conditions allow, whole body PET scan can be performed, but the cost is expensive.