Curcumin has been widely used in the food industry as a commonly used natural pigment for a long time, mainly used in the dyeing of canned goods, intestinal products, sauce and brine products, and its usage is determined according to the normal production needs. The product form of functional food with curcumin as the main ingredient can be general food, or some non-food forms, such as capsules, pills or tablets. For the general food form, you can consider some yellow vegetarian foods, such as pastries, sweets, drinks and so on.