Konjac tofu is not a food. The term “hairy food” is not a scientific concept, but refers to nutritious or stimulating foods that are particularly likely to induce certain diseases (especially old diseases) or aggravate existing diseases. Generally speaking, animal foods that may contain hormones, allergens such as foreign proteins, or foods with strong irritating properties may become the so-called “hairy food”. The konjac tofu does not meet the above conditions, is not a food. Konjac tofu in the konjac contains a high-quality natural dietary fiber – glucomannan, which can impede the body’s absorption of sugar, fat, cholesterol, dilute harmful substances in the gastrointestinal tract, but also provide the body with calories, increase satiety, diabetic patients can eat, it is a good food choice. However, patients with indigestion should avoid eating konjac tofu to avoid aggravating the discomfort.