The aim of this study is the assessment of intravenous sedation effect on surgery pain in hysteroscopic polypectomy compared with paracervical block. This is a randomized, not blinded, single-center study that is performed in Arash hospital, Tehran, Iran. Among women referred to Arash hospital laparoscopy clinic who have polyp less than 3 centimeter diameter based on ultrasonography and, are the candidate of hysteroscopic polypectomy are enrolled in the study. Inclusion criteria are patients aged between 18- 50 years old without history of cardiopulmonary diseases. Exclusion criteria are Lidocaine sensitivity and excess anxiety. After receiving informed consent, all patients are randomly divided into 3 groups of 28 members including: intravenous sedation; paracervical block and general anesthesia in intravenous sedation 1 micro grams/kg fentanyl and 0.1 mg/kg Midazolam is injected. Then 3 micro grams / kg Propofol is infused. In paracervical block 10 cc of 2% Lidocaine is injected in 4 and 8 o'clock of cevicovaginal mucous in Lithotomy position. In general anesthesia group, 1 micro grams/kg fentanyl and 0.1 mg/kg Midazolam is injected and consequently 100 micro grams / kg Propofol is infused. Then the surgery starts. In general anesthesia group, the amount of pain is asked in recovery room and 3 hours after surgery. In two other groups, the amount of pain is asked during inserting hysteroscope, polypectomy, curretaging, recover room and 3 hours after surgery. Pain is recorded based on visual analogue scale. The amount of pain, operation time and polyp 6 months recurrence is compared in all groups.