Patients with hives can eat a little bit of green onion under certain circumstances, because although green onion is a fishy food from the Chinese medicine point of view, eating a small amount of green onion will not have a substantial effect on hives. The hives that people form may be caused by allergies or infections, or they may be caused by a decline in immune function, which induces a kind of wind and red spots on the skin and is accompanied by itching symptoms. The disease requires a certain amount of attention in the diet, such as spicy and irritating foods should not be eaten. Although the green onion from the Chinese medicine point of view belongs to the fishy food, but the green onion is only a small amount of food, so the appropriate intake of a little is not a big problem.