Precautions before physical examination:
1. Have an empty stomach on the day of physical examination. Don't eat greasy and indigestible food the day before physical examination, quit smoking, drinking and seafood, don't take medicine, and keep enough sleep.
Don't engage in strenuous activities before physical examination.
3. Wear loose clothes that day, and avoid wearing tights and jumpsuits.
4. Women should avoid menstrual period, try not to wear metal ornaments on the day of physical examination, and try to avoid reflective sequins as decoration in chest X-ray to avoid misdiagnosis and misjudgment of image examination.
5. Try to take part in blood collection between 7-9 am.