This survey method does not depend on the memory of the respondents, and can reflect the exact amount of dietary intake. Food record method, an investigation method, does not depend on the memory of the respondents, and can reflect the exact amount of food intake, so its main advantage is that it can determine the size or weight of food share and obtain reliable food intake. Weighing results are usually used as a standard to evaluate the accuracy of other methods. It can quantify food intake, calculate nutrient intake, and accurately analyze the change of food intake of everyone every day. This is an ideal method for personal dietary intake survey.