Spinach and tofu had better not be cooked together.

Tofu is rich in calcium, and spinach contains a lot of oxalic acid. Every100g of spinach contains 300mg of oxalic acid. When spinach and tofu are eaten together, calcium oxalate will be produced in the human body, and calcium oxalate will produce stones in the human body. In order to avoid affecting people's health, tofu and spinach should not be eaten together, and tofu can be eaten with Chinese cabbage. Eating more tofu at ordinary times can supplement enough nutrients such as calcium and carotene. Spinach is rich in vitamins. When eating spinach, you'd better blanch it with boiling water before eating it. Boiling water can remove oxalic acid.