To have a marriage test, you need to bring the supporting documents required by the marriage examination unit such as family register or ID card, marriage certificate, photos, marriage test appointment slip, avoid menstruation and go on an empty stomach. The marriage test is free of charge, and you can get a free booking form for the test when you apply for marriage registration. After the reservation is successful, bring the supporting documents required by the marriage examination unit, such as family register or ID card, marriage certificate, photos, etc., and go to the marriage examination unit for the marriage examination as scheduled. Women should avoid the menstrual period during the marriage examination, and usually choose 2-3 days after the menstrual period is clean. The day before the wedding test should be well rested, not too tired, and do not drink alcohol, otherwise it will affect the liver function indicators. The morning of the wedding test must not eat, must be fasting test, there will be blood routine, liver and kidney function, abdominal ultrasound and other items that require fasting test.