Whether you need to fast before doing abortion surgery depends on the type of abortion surgery chosen, abortion surgery can be divided into painless abortion surgery and general abortion surgery, need to fast, as follows: 1, fasting: If it is a painless abortion surgery, the preoperative period must be fasting. Painless abortion surgery requires patients to start fasting after 11:30 p.m. the night before the operation, and the fasting is not only not able to eat solid food, but also not able to drink water, and even not able to drink beverages, not able to drink milk, and the next morning can not eat anything. Painless abortion fasting time has to last until one and a half hours after the end of the operation, before you can start to eat. 2, do not need to fasting: for general abortion surgery, the requirements of the morning must eat, to eat properly, the patient can tolerate the abortion surgery may produce the reaction, so as to avoid the occurrence of abortion syndrome in the abortion surgery. Therefore, not all cases before the abortion surgery to fasting, only painless abortion need fasting fasting.