Spinach is a kind of food, does not have the effect of medicine, but has a wealth of nutrients, such as carbohydrates, etc., beneficial to human health. Spinach is a common daily food, 100g spinach contains protein 2.6g, carbohydrates 4.5g, niacin 0.60mg, vitamin C32.0mg, and calcium 66mg, phosphorus 47mg, potassium 311mg, sodium 85.2mg, magnesium 58mg, iron 2.9mg and so on. All of these substances are nutrients needed by the human body, and their consumption is beneficial to the human body, providing nutrients needed by the human body. Spinach is a food and does not have the efficacy of medicine. It is recommended to seek medical attention when uncomfortable symptoms occur to avoid delays. Daily diet should also pay attention to avoid excessive intake of a single food, to ensure that the diet of meat and vegetables, nutritional balance.