Allergic comorbidity is a common allergic-related disease in the department of pediatrics,which is called atopic triad in modern medicine.Professor Xu Youjia believes that the children with allergic comorbidity have a more distinctive constitution of insufficiency of immature yang.Children with allergic comorbidity initially have the spleen-qi deficiency pathogenesis,and then the kidney yang will be further involved if the children fail in timely regulation and supplementation,which will result in kidney yang deficiency.In the view of spleen-kidney deficiency-cold pathogenesis of children with allergic comorbidity,Professor Xu Youjia suggested that,during the treatment,attention should be paid to the protection of the spleen(earth)of the middle energizer,thus to ensure the postnatal fire warm congenital kidney yang,and then the efficacy of raising qi and reinforcing yang can be achieved.The core medicines used for the treatment of deficiency-cold snineling nose include seven herbs,and they were Glycyrrhizae Radix et Rhizoma,Atractylodis Macrocephalae Rhizoma,Angelicae Dahuricae Radix,Saposhnikoviae Radix,Xanthii Fructus,Magnoliae Flos,and Schisandrae Chinensis Fructus.For children with severe deficiency-cold,the treatment needs to start from supplementing kidney-qi and protecting the root of yang,and the medicinals such as Psoraleae Fructus,Cimicifugae Rhizoma,Eucommiae Cortex,and Cinnamomi Cortex can be used.Professor Xu stressed the importance of adjusting the children's dietary structure and habits for protecting the spleen and stomach.The application of therapy of mediating the middle earth,raising qi and strengthening yang should accord with the growth and development of children,and the therapy is suitable for guiding the clinical treatment of diseases related to deficiency-cold syndrome.The selection of prescriptions should be based on the identification of the pathogenesis of deficiency-cold and its severity.