Prostate examination does not require fasting, prostate examination is usually a blood draw, routine examination of prostate fluid rectal fingerprinting and imaging tests, does not require fasting. Patients in the prostate examination before the general does not require fasting, patients are mainly blood for PSA examination, routine examination of prostate fluid, rectal fingerprinting, imaging and other inspection methods, eating for the examination results do not have a great impact. Before doing prostate examination, patients are recommended to avoid sexual intercourse for 5 to 7 days before the examination to avoid affecting the examination results. Patients should drink water in moderation and regularly, pay attention to the diet before the examination, mainly light, less spicy, stimulating, too greasy food, such as chili, ginger, fatty meat. It is recommended that patients avoid smoking and alcohol before the examination to avoid misdiagnosis. Patients do not have the requirement of fasting before the prostate examination, patients who have abnormal test results should consult a doctor in time for further examination as well as treatment.