PURPOSE: A neck treatment device using electric potential is provided to obtain electric potential treatment, vibrational massage, and low frequency treatment effects. CONSTITUTION: A neck treatment device using electric potential comprises a main body (10) which is attached to the rear surface of the neck of a user, wing bodies (20) which connect to the main body, rotate at a designated angle, and contact the side of the neck of the user, an electric potential module which is arranged inside the main body and forms an electric potential difference by power, a vibration module which is arranged inside the main body and generates vibration by power, and a low frequency wave module which is arranged inside the main body and generates low frequency wave by power. The main body includes an inner body arranged inside a main case (19) and a contact unit which is arranged inside the main body and contacts the rear surface of the neck of the user.본 발명에 따른 전위치료장치는 면적이 협소한 인체의 목 부위에 결합시킨 후 전위치료, 진동안마 및 저주파치료를 실시할 수 있고, 접촉부(16)라는 단일한 접촉부위를 통해 전위치료, 진동안마 및 저주파치료가 가능하기 때문에 공간상의 제약을 극복하는 효과가 있으며, 기기를 장착한 상태에서 각 기능을 일련의 순서로 수행하여 사용자의 혈행개선 및 근육이완을 실시할 수 있는 효과가 있다.