How to do a health certificate without feces?

If stool examination is very necessary, consider eating some coarse grains or other coarse grains. According to the different inspection requirements in different regions, some places do not necessarily require stool examination, mainly liver function examination. If stool examination is necessary, consider eating coarse grains or other coarse grains, such as bananas and sweet potatoes. You can drink honey water, increase exercise, promote gastrointestinal peristalsis and help defecate. If necessary, see if you can take a stool sample the next day and then check it. Don't worry too much. As long as you are healthy at ordinary times, you will have good results.