The present invention discloses green and all-
natural intelligence promoting health type edible salt and a preparation method thereof. The intelligence promoting health type edible salt contains a plurality of dry food
powder or extracts conducive for development of brains, promotes the development of the brains, supplements needed
nutrition of the brains, can be used for infants and young children in the development, can also provide needed related nutritional supplements for pregnant women, and can also supplement populations overstraining nerves with necessary nutrients. A key point is that different extractions and preparation technologies are used to prepare the brain strengthening and intelligence promoting dry food
powder or extracts, based on edible salt, 0.001-40wt% of the brain strengthening and intelligence promoting dry food
powder or extracts are added, and an effect of supplementing brain can be reached through normal diets.