1Expert consensus on clinical diagnosis and treatment management of adenoid hypertrophy in childrenChildren's Otolaryngology Committee of the Pediatric Branch of the Chinese Medical Doctor Association, Pediatric Allergic Committee of Chinese Maternal and Child Health Association, Otolaryngology-Head and Neck Surgery Branch of Asia-Pacific Association of Medicine and Bio-Immunology, FU Yong, SHEN Ling, XU Zheng-minGUIDELINES, STANDARDS AND CONSENSUS89-95,992Attention to standardized diagnosis and treatment of pediatric upper airway inflammatory diseasesXU Zheng-minEDITORIAL96-993Diagnosis and treatment and management of allergic rhinitis in childrenZHANG Jian-ji, WEI Ping, KOU WeiSYMPOSIUM100-1054New advances in allergen-specific immunotherapyYAO Hong-bingSYMPOSIUM105-1115Adenoid hypertrophy and allergic rhinitis in childrenLU Ying-xia, GU Qing-longSYMPOSIUM111-1136Prevention and early treatment of adenoidal hypertrophy in childrenSHEN Ling, LIN Zong-tong, LIU Ping-fanSYMPOSIUM114-1177New technology for treating sinusitis in childrenLIU Jia, FU YongSYMPOSIUM117-1218Diagnostic strategies for obstructive sleep apnea in childrenZHANG Yun-fei, XU Zheng-minSYMPOSIUM121-1259Clinical value of urinary NAG and serum Cys-C in early renal damage of simple obesity in childrenWANG Xiao-yan, HUA Min, WANG Feng-yun, XIE Rong-rong, CHEN Lin-Qi, CHEN Xiu-li, CHEN Ting, SUN Hui, ZHANG Dan-dan, WANG Li-li, WU Hai-yingORIGINAL CONTRIBUTION126-13510Analysis of differences in fractional exhaled nitric oxide levels among children with different allergic types of asthmaZHU Si-yu, ZHAO Ran, LI Fei-die, TANG Yong-yu, DONG Xiao-yanORIGINAL CONTRIBUTION136-14211Clinical characteristics of children with myocardial injury caused by SARS-CoV-2 infection in KunmingYUAN Ting-yun, YANG Jian, XU Jian-hong, YANG Tao, ZHU Ji-cai, YAO Mei, TANG Chun-hui, LI Yan-hong, DAI Mei, BAN Deng, LI Yin, DUAN Jiang, FU Hong-minORIGINAL CONTRIBUTION143-14912Analysis of clinical characteristics and different detection methods in asthmatic children with persistent small airway airflow limitationWANG Xia, GONG Cai-hui, LIN Ying, QIN Jiang-jiao, LV Ying, TIAN Dai-yin, FU Zhou, LIU ShaORIGINAL CONTRIBUTION150-154,16013Research progress in eating disorders in children with autism spectrum disorderLIANG Yan, HE Yu-ying, CHEN Yan-niREVIEW155-16014Observational learning and its research progress in children with cognitive disordersLIU Yan-nan, FU Jie, ZHANG Gen-fu, YANG Zhi-xian, QIN JiongREVIEW161-164,17015Research progress in executive function ofpreschool childrenZHANG Jian-zhao, YANG JianREVIEW165-17016Report on three cases of STING-associated vasculopathy with onset in infancyCHEN Ling, WANG Ke, LIANG Yan, YANG Juan, ZHANG Jing, MA Lan-lan, CHEN XingCASE REPORT171-176 