Bronchial asthma is a type of chronic, variable inflammation, which is also an allergic inflammation. In clinical cases of bronchial asthma, the majority are allergic asthma. If there is an allergy, allergens exist, therefore, it is crucial for asthma patients to strictly avoid contact with allergens. If it is food allergy, contact with the allergenic food must be strictly prohibited. Additionally, many patients do not know what they are allergic to, so they need to be cautious of common foods that can cause allergies, such as seafood, small fish, and small shrimp. For instance, if people around them or family members experience discomfort or develop a rash after consuming certain medications or foods, or if they experience chest tightness or abdominal pain after eating, such foods should be avoided as much as possible.