Pork (fat and thin): Pork is rich in high-quality protein and essential fatty acids, and provides heme (organic iron) and cysteine to promote iron absorption and improve iron deficiency anemia; Has the effects of tonifying kidney, nourishing blood, nourishing yin and moistening dryness; However, due to the high cholesterol content in pork, obese people and hyperlipidemia people should not eat more.