Painless abortion in the clinical use of anesthesia is general anesthesia, commonly used is propofol plus an appropriate amount of analgesic drugs, pushed into the patient’s body from the vein, the patient will naturally fall asleep and maintain independent breathing. After the operation is completed, the patient will soon regain consciousness, so it is a very humane kind of painless abortion, but not all people are suitable for painless abortion in the preparation for painless abortion before you need to do blood test, leukorrhea routine, coagulation time, electrocardiogram, ultrasound examination. If there is an abnormality in the heart function through ECG, the patient is not allowed to have a painless abortion.