Abstract: As a main ingredient of foods, fat provides energy for people, but it has potential bealth hazards at the same time.Many Chinese and foreign food enterprises and universities have put great amount of effort and money into the research onfat replacement to achieve the aim of reducing the excessive intake of fat and to keep meanwhile the functions of fat in foods.This paper briefly summarized the main characteristics of fat replacer and the current research development

Key words: Fat replacer , Fat substitute , Fat mimics