It is possible for people with urticaria to eat yams. Whether urticaria patients need to avoid food in their diet needs to depend on what the triggers that cause urticaria are. If urticaria is not caused by food, there is no special restriction on diet, patients can eat green, fresh vegetables and fruits, including cabbage, potatoes, groundnuts, apples, tomatoes, pears, bananas, etc., can be eaten in moderation, but must not overeat, so as not to increase the burden on the stomach and intestines. Because the causes of urticaria are many and complex, there are foreign inhaled drugs, bacteria, and flowers and plants and many other factors. Therefore, the key to the treatment of urticaria is to find the cause of the disease, to avoid the patient and the triggering factors come into contact with.