The present invention relates to a film formulation for treating hepatitis B, containing entecavir which is a drug component of a medicine for treating hepatitis B. Disclosed is a film formulation containing entecavir, which is dissolved in a mouth rapidly and can be taken without drinking water. According to the present invention, the film formulation containing entecavir is formed as a film formulation containing entecavir for one day dose, which is a drug component of a medicine for treating hepatitis B. Accordingly, portability and administration is easy.본 발명은 B형 간염 치료제 약물성분인 엔테카비르를 포함하는 B형간염 치료용 필름제제에 관한 것으로서, 구강내에서 신속히 용해되어, 음용수 없이 복용할 수 있는 엔테카비르 함유 구강 붕해형 필름제제를 개시한다.
