(1) Conventional nutrition based on dietary guidelines for the population;
(2) Formulating individual nutrition according to individual's current nutritional status (such as body shape, biochemical metabolism analysis, physical activity, etc.);
(3) Genotype targeted nutrition based on single nucleotide polymorphism.
Only by comprehensively considering genetic, environmental, social and metabolic factors can we achieve accurate nutrition. With the development of nutritional genomics and metabonomics, traditional nutrition is gradually moving towards precision nutrition. Accurate and personalized nutrition intervention is the development direction of modern nutrition, which can really benefit the people and achieve the purpose of preventing and treating diseases.