PURPOSE: A composition containing Nelumbo nucifera leaf extract and taurine is provided to reduce body weight and adipose accumulation and to preventing and treat hyperlipidemia or fatty liver. CONSTITUTION: A composition for preventing and treating hyperlipidemia or fatty liver contains Nelumbo nucifera leaf extract and taurine as an active ingredient. A health food for preventing and treating hyperlipidemia or fatty liver contains the Nelumbo nucifera leaf extract and taurine as an active ingredient. A method for preparing Nelumbo nucifera leaf extract comprises: a step of isolating Nelumbo nucifera leaf powder using water, alcohol, or mixture thereof; a step of filtering the extract; and a step of compressing and freeze-drying.본 발명은 고지혈증 또는 지방간 예방 및 치료용 조성물에 관한 것으로서, 보다 상세하게는 연잎(Nelumbo nucifera leaf) 추출물 및 타우린을 유효성분으로 함유하는 대사성 질환인 고지혈증 또는 지방간 예방 및 치료용 조성물에 관한 것이다.