AD patients have polyvalent aspiration allergic factors , which show that the environmental allergic factors play a role in AD, and it is a syndrome that skin and mucosa are allergic to environment .

• 证实AD患者存在多价的吸入相关的过敏因素，环境过敏因素在AD患者发病中起着作用，AD是一种皮肤和粘膜对环境因素过敏的综合征。