Many foods such as fish and shrimp (sea fish), sesame, shellfish, nuts (cashews, peanuts, etc.), dairy products and even wheat products can be used as allergens to cause asthma attacks. In this regard, after the allergen is identified, dietary modifications can be made to avoid the corresponding food or foods that are highly suspected to be allergens. For example, patients with asthma often have phlegm and phlegm internal volatile pathology, so they should not eat pork, fish or fatty, sweet and oily products because they can help dampness and produce phlegm, but they can eat more radish, loofah, barley, citrus, ginkgo and other phlegm and dampness products; for patients with internal heat or phlegm heat, they should not eat chili, pepper, mustard, fennel and other spicy and stimulating foods The patient should not eat spicy and stimulating foods such as chili, pepper, mustard, fennel, etc., because of their warming nature and heat, can eat mung beans, rape, bitter gourd, grapefruit and other things to clear heat. Asthma patients should eat a warm, light, fluffy diet, and can eat less and more meals. In addition to avoiding foods that are sure to cause allergies or asthma, one should avoid avoiding other foods to avoid losing the proper nutritional balance. During an asthma attack, one should also eat less flatulent or indigestible foods, such as beans and yams, in order to avoid bloating and pressure on the chest cavity that may aggravate breathing difficulties. Generally speaking, asthma patients should not eat (or eat less) foods such as egg yolk, rooster, fatty pork, mutton, dog meat, sea fish, clams, crabs, shrimp; papaya, leek, golden needle, bamboo shoots (or dried bamboo shoots), peanuts, pickles, chili, pepper; saccharin, flavor, color, chocolate; ice-cream and other cold drinks, carbonated beverages such as soft drinks, wine, coffee, strong tea, etc.