The most harmless abortion method is the painless abortion under the superconducting monitoring, by the experienced clinician under the superconducting monitoring, with the negative pressure suction method, gently suctioning out the uterine cavity of the pregnancy, the meconium tissue, the lining of the uterus damage is small, basically no bleeding after the operation, this method is relatively the least harm to the body of a kind of abortion method. However, whether it is abortion under superconducting monitoring, or abortion under hysteroscopy, or medication abortion, there is a certain amount of damage to a woman’s uterine lining. Therefore, if women do not have the requirement to have children, they can use oral contraceptive pills, or intrauterine placement of birth control rings, or take measures such as instrumental contraception, and should never take abortion as a contraceptive measure.