Electrocardiogram examination to determine whether there is a disease of insufficient blood supply to the myocardium. Taking blood to check liver function is to check hepatitis B, hepatitis A antibody and hepatitis B, and to rule out whether you have hepatitis.
When you apply for a health certificate, you need to go to a medical examination, and you will also ask if your family has a history of genetic diseases and mental illness. External examination is relatively simple, and only height and weight, limbs and joints need to be measured and checked.
In addition, it is necessary to do stool culture to detect whether there are infectious diseases in the intestine.