The invention relates to a composite with weight-reducing, body-shaping and weight-controlling functions. The composite comprises, by weight, 30%-80% of water-soluble dietary fibers, 5%-60% of 
white kidney bean extract, 5%-50% of 
oligosaccharide powder and 1%-20% of haw 
apple extract. The composite has effects for fat people or 
overweight but not fat people, and can effectively reduce the weight, lower the fat percentage, facilitate reduction of body fat, obviously reduce the waistlines and the hipline, strengthen 
muscle, improve the 
body shape, enable the body to be more curvaceous, and be used for 
weight control. The composite further has an auxiliary function for hyperglycemia and 
hyperlipidemia people. In addition, the composite can regulate intestinal 
flora, improve the breeding environment for 
beneficial bacteria of the intestinal tract of the 
human body, promote 
excretion of vivotoxin and 
metabolic waste, and achieve the effects of expelling of noxious substances and beauty. The composite is convenient to take, meets the requirement for a rapid 
pace of life for modern people, and is safe, effective and free of any toxic and 
side effect.