Amaranth contains a rich Y-3 fatty acid, which can inhibit the generation of serum cholesterol and triglyceride acid in the human body, help the vascular endothelial cell synthesis of prostaglandins increase, inhibit platelet formation of thromboxane A2, so that the blood viscosity decreases, prompting vasodilatation, which can prevent platelet aggregation, coronary artery spasms and thrombosis, so that it can play a role in preventing and controlling heart disease.