Summary：Background:With the promotion of the “comfort medicine”,labor analgesia is popularized.Objective:We try to summarize the current literature about remifentanil for labor analgesia.Content:We introduce the current literature about remifentanil's efficacy as a labor analgesia, mode of delivery, safety and the scope for future research.Trend:At present present, the application of remifentanil delivered by a patient-controlled IV analgesia (PCIA) infusion system is increased.