A 31-year-old pregnant woman with pruritus in pregnancy was described; she presented with a one-week history of generalized pruritus at gestational age 6 weeks without primary skin lesion. She had no dermatologic problem before pregnancy. Her pruritic symptom was not con-trolled with conventional emollient and topical corticosteroids. Broadband Ultraviolet B(UVB) phototherapy successfully improved her pruritus. UVB phototherapy also worked well after recurrence of pruritus at pregnancy 23rd week. We report herein a case of pruritus in pregnancy successfully treated with broadband UVB phototherapy.