North tofu has a high calorie content because of its low water content, and 100g of north tofu can produce about 99kcal; while south tofu and lactone tofu produce a low calorie content of 100g, and only produce about 50-60kcal.

Tofu is a high protein food with high nutritional value, and rich in minerals such as iron, calcium, phosphorus, magnesium and so on. Tofu is also rich in phytoactive substances such as phytoestrogens and isoflavones, which are known to prevent osteoporosis, breast cancer and prostate cancer. Soy lecithin in tofu is beneficial to the growth and development of neurovascular and brain.