Spinach and tofu are eaten together in moderation, and there is no harm to your health when consumed in moderation. Spinach and tofu are both natural health foods. Each 100 grams of spinach contains 17 calories, of which 3.35 grams of carbohydrates, 1.25 grams of protein, 0.2 grams of fat, 0.83 grams of iron, 52 milligrams of calcium, and vitamin A487IU. Tofu contains 81 calories per 100 grams, including 4.2 grams of carbohydrates, 3.7 grams of fat, 8.1 grams of protein, and 164 milligrams of calcium. Tofu is high in calcium. Spinach contains more oxalic acid, oxalic acid can crystallize with calcium to produce calcium oxalate, which is more difficult to digest and absorb, and can easily cause nausea, vomiting and other indigestion symptoms in people with sensitive gastrointestinal tracts. But the premise is to eat a lot of cases, ordinary people usually intake is not enough to reach this standard. It is recommended to blanch spinach in hot water before eating it, so as to reduce the oxalic acid content in it and not to affect your health. Tofu should not be consumed by those who are allergic to soy.