Purpose : The purpose of this study is to report the effect of Hwa-acupuncture for the pain due to weakened gluteus medius muscle during pregnancy Methods : The patient in this case, 35 years-old gravida, was treated at Dongseo oriental medical hospital for thirteen times (09 August 2004 - 26 August 2004) because of the pain due to weakened gluteus medius muscle during pregnancy. This patient was treated with Hwa-acupuncture and physical treatment. Results : After quite short Hwa-acupuncture and physical treatment, the symptoms of patient are remarkable alleviated. Conclusion : We think that many gravida suffered from lumbago and pelycalgia can be managed effectively by Hwa-acupuncture. After this, futher study, approach and case will be needed.