Flaxseed is the mature seeds of flax. In China, flaxseed is mainly used as oil for the production and processing of edible vegetable oil. Linseed is one of the world’s top ten oil crops, high nutritional value. Flaxseed contains α-linolenic acid, linseed protein, linen lignans, dietary fiber and linseed gum and other nutrients, which is conducive to replenishing the body’s nutrients. Flaxseed in the α-linolenic acid and other active substances in functional foods, pharmaceuticals, food additives, feed, etc. to develop and utilize, has a certain practical value. It should be noted that the flaxseed should not be consumed in excess, if the consumption of discomfort, you need to promptly go to the hospital.