Purpose : Trigeminal neuralgia has been known a rebellious disease and there has been no case report of trigeminal neuralgia during pregnancy in Oriental medicine. Experienced good effect on treatment for trigeminal neuralgia during pregnancy, we wanted to report a case report of trigeminal neuralgia during pregnancy. Methods : 5-month-pregnancy, patient with trigeminal neuralgia was hosptalized from the 10th, June, 2003 to the 23th, June, 2003 in OO Oriental Medical Center. In acupuncture therapy, SI19(Tinggong, 聽宮), S7(Hagwan, 下關), LI19(Hwaryo, 禾?), S4(Chichang, 地倉), S2(Sabaek, 四白), Tel7(Yepung, ?風), B2(Chanjuk, ?竹), G１4(Yangbaek, 陽白), 太陽(taeyang), 魚腰(yuje) were used. In Moxa Therapy, SI19(Tinggong, 聽宮), S7(Hagwan, 下關), LI19(Hwaryo, 禾?), S4(Chichang, 地倉), S2(Sabaek, 四白), Te17(Yepung, ?風) were used. In Herbal Therapy, Boikyangwytang was used. Pain was measured by VAS(Visual Analogue Scale). Results : At the 10th, June, 2003, Pain was measured VAS(100). At the 23th, June, 2003, Pain was measured VAS(10) and Pain was resolved, Tic(intermediate) was remain. Conclusion : We could get effective result that a case of trigeminal neuralgia during pregnancy, was treated conservative therapy of oriental medicine.