IVF need to carry out what pre-tests: 1, male: semen routine (abstinence 2-7 days), semen mycoplasma and chlamydia test, hepatitis B five, hepatitis A, hepatitis C, AIDS, syphilis,, ABO and Rh blood type, liver function and blood sugar. 2. Female: ABO and Rh blood type, blood routine, urine routine, blood clotting time (blood coagulation series), sex hormone (checked on the 3rd-5th day of menstruation), leukorrhea routine, vaginal secretion check for chlamydia, hepatitis B 5, hepatitis A, hepatitis C, AIDS, syphilis, liver and kidney function, fasting blood sugar. 3.Tubalography, hysteroscopy, chromosome test, etc. Decide whether the test is needed according to the patient’s specific situation, it is not a routine test.