The benefit of eating spinach is that it can help the body to replenish some nutrients such as carbohydrates and fiber. Spinach is a common green leafy vegetable, of which 100 grams of spinach contains 17 calories, 4.5 grams of carbohydrates, 2.6 grams of protein, 0.3 grams of fat and 1.7 grams of fiber. Eating spinach can help the body to supplement the right amount of carbohydrates and fiber, its fiber content is not low, can promote intestinal peristalsis. Spinach likewise contains some minerals such as iron and potassium, as well as vitamins such as vitamin A and other vitamins. Every 100 grams of spinach contains 2.3 milligrams of iron, but every 100 grams of pig liver contains 22.3 milligrams of iron, which is nearly ten times more than spinach. And the iron in spinach is plant iron, the absorption rate is not high, so it is not recommended to use spinach to supplement iron. The most important thing is to eat a balanced and comprehensive diet, spinach needs to be consumed in moderation, while combining other foods.