The key to whether or not you can eat tofu with hives is to see if it is an allergen. If you are not allergic to soy foods, you can eat tofu normally. If you are allergic to soy foods, you should not eat tofu. Urticaria is an allergic skin disease, and the severity of the disease is greatly influenced by dietary factors. In the absence of a clear allergen, avoid high protein foods, especially animal proteins, in your diet. Tofu is a soy product and a high protein food, and the protein it contains is one of the most common allergens. If the body is allergic to protein, taking tofu may directly aggravate the symptoms of hives. Allergen testing is the main way to determine whether a protein allergy exists. For people who are clearly allergic to proteins, they should not consume tofu in their diet; if they are not allergic to proteins, they can consume tofu normally. Due to the large individual differences, the specific situation needs to be combined with clinical manifestations, allergen testing and use under the guidance of a doctor.