Nutritional meal replacement with weight losing effect and preparation method thereof

The invention discloses a nutritional meal replacement with a weight losing effect and a preparation method thereof. The nutritional meal replacement is prepared from the following raw materials in percentage by weight: 20-50% of protein, 10-40% of fat powder, 30-60% of carbohydrates, 0.1-1% of compound vitamin, 0.1-1% of compound mineral substance and 0.1-6% of medicinal and edible plant extract.The carbohydrates are dietary fiber carbohydrates and non-dietary fiber carbohydrates, and the weight ratio of the dietary fiber carbohydrates to the non-dietary fiber carbohydrates is 1:(1-6). In addition, the content of dietary fibers in the nutritional meal replacement is 8-18%. According to the nutritional meal replacement, a comprehensive and balanced nutritional formula is adopted, dietaryfibers and non-dietary fibers coordinate with each other, the digestion rate and the absorption proportion of absorbable and available carbohydrates are controlled, and the nutritional meal replacement can help to lose weight,