应用抗原浸出液反复给病人注射以治疗变态反应性疾病,过去称为脱敏疗法。脱敏(de-sensitization)意指过敏病人经用特异性过敏原治疗后,其过敏性可全部去除。事实上,这是不可能的。因此,许多学者认为“脱敏”这名词并不科学,故采用“减敏”(hyposensiti-zation)以替代“脱敏”,意指过敏性减轻。它是免疫治疗(immunotherapy)的手段之 The use of antigen leaching solution repeatedly injected into patients to treat allergic diseases, in the past known as desensitization therapy. De-sensitization means that allergy can be completely eliminated in allergic patients after treatment with a specific allergen. In fact, this is impossible. Therefore, many scholars believe that the term “desensitization” is not scientific, so the use of “hyposensiti-zation” instead of “desensitization” means allergenicity reduction. It is a means of immunotherapy