Spinach is known as “red beak green parrot” in ancient China, also known as Persian cabbage and red root cabbage. According to the “Compendium of Materia Medica”, spinach can “open the blood vessels, open the chest and diaphragm, regulate the middle of the body, quench thirst and moisten dryness”. The ancient Arabs also called it the “king of vegetables”. Spinach is not only high in beta carotene and iron, but is also an excellent source of vitamin B6, folic acid, iron and potassium. The rich content of B vitamins allows it to prevent the occurrence of vitamin deficiencies such as xerostomia and night blindness. Spinach contains high levels of antioxidants such as vitamin E and selenium, which are anti-aging and promote cell proliferation, activating brain function and enhancing youthful vitality, helping to prevent brain aging and prevent Alzheimer’s disease. A Harvard University study also found that middle-aged and elderly people who consumed spinach 2 to 4 times a week had a reduced risk of retinal degeneration due to the intake of vitamin A and carotene, thus protecting their eyesight. Spinach is soft and easy to digest when cooked, making it especially suitable for the elderly, young, sick and weak. It is also suitable for people with high blood pressure, constipation, anemia, scurvy, rough skin, and allergies; it is not suitable for people with nephritis and kidney stones. Spinach has a high oxalic acid content and should not be consumed in excess at one time; in addition, people with a weak spleen and loose stools should not eat more. The actual fact is that you will be able to get a lot more than just a few of the most popular and most popular items. The actual fact is that you will be able to get a lot more than just a few of the most popular and most popular items. You should eat as much alkaline food as possible, such as kelp, spinach, fruit, etc., to promote the dissolution of calcium oxalate discharge, to prevent stones. Medical research has confirmed that spinach helps improve one’s memory and that it contains antioxidants that act as a barrier to harmful molecules in the body. Chinese medicine believes that spinach root can cure constipation, bleeding hemorrhoids and night blindness, and has also been found to have a good complementary healing effect on vision. In addition to being eaten fresh, it can also be dehydrated and dried and frozen. Spinach contains a group of substances called “carotenoids”, which are effective in preventing retinal damage caused by sunlight. For this reason, experts recommend that you should eat spinach at least twice a week.