Pay attention to rest a few days before the physical examination, do not drink, smoke, exercise vigorously, and have a light diet. Drinking more water in the first five days is good for detoxification. Eat an apple every day, don't eat after 12 the night before the exam, and don't drink water after getting up the next day. Don't wear metal underwear on the day of examination, and keep a good attitude when doing B-ultrasound and electrocardiogram.

1. Starting from three days before the examination, the diet should be light, and foods such as spinach, pig blood and duck blood should not be eaten (so as not to cause false positive stool occult blood).

2. Pay attention to rest the day before the physical examination, avoid strenuous exercise and emotional excitement, and ensure adequate sleep so as not to affect the examination results.

It is best to abstain from milk, bean products, drinks, sugar and other foods the night before. Don't drink. To prevent the test results from being affected.

4. Wear light-colored clothes, no makeup, no dresses, pantyhose, underwear with metal buttons, precious jewelry and contact lenses on the day of inspection.

5. Fasting breakfast on the day of physical examination, and eating after blood collection and B-ultrasound examination.