Nausea and vomiting after abortion may be due to the effect of anesthesia, psychological effect and other reasons. 1. The role of anesthesia: if the line is a painless abortion surgery, surgery using anesthesia requires a certain amount of time to metabolize, and some patients are more sensitive to anesthesia, after the operation, the residual effect of anesthesia may cause nausea, vomiting and other discomforts. 2. Psychological effects: Due to abortion surgery, some women will be emotionally affected, which to a certain extent will also cause autonomic nervous disorders, causing vomiting and other discomforts. It is recommended to pay more attention to rest when the above symptoms occur, and notify the doctor immediately if there is no relief within a short period of time.