To observe the clinical effect of Yiqi Jianpi Decoction（益气健脾方）in the treatment of spleen deficiency and phlegm obstruction type of children with adenoid hypertrophy（AH）.

From September 2022 to September 2023，70 children with spleen deficiency and phlegm obstruction type of AH treated in the hospital were selected and divided into Western medicine group and comprehensive group，with 35 cases in each，using a computer-generated random number table method.The western medicine group was treated with mometasone furoate nasal spray and montelukast sodium chewable tablets，while the comprehensive group was additionally treated with Yiqi Jianpi Decoction.The two groups were compared in terms of TCM syndrome integral，adenoid grading，treatment effects，quality of life and adverse reactions.

After treatment，the scores for snoring，nasal congestion，mouth breathing，apnea，pale complexion，loss of appetite and loose stool as well as the total scores were reduced in both groups（P<0.05），with the comprehensive group showing greater reduction than the western medicine group（P<0.05）.The proportion of grade1 adenoid grading in the comprehensive group increased compared to that in the western medicine group（P<0.05），while the proportion of grade 2 decreased（P<0.05）.The distribution of treatment effect grades and the overall effectiveness rate were higher in the comprehensive group than those in the western medicine group（P<0.05）.After treatment，the scores for sleep disturbance，physical symptoms，emotional symptoms，daytime function and impact on caregivers as well as total scores were reduced in both groups（P<0.05），with the comprehensive group showing greater reduction than the western medicine group（P<0.05）.There were no significant adverse reactions in either group，with one case of mild diarrhea in the comprehensive group that improved without treatment.

Yiqi Jianpi Decoction can alleviate symptoms of spleen deficiency and phlegm obstruction type of AH in children，improve the treatment effects and quality of life，and is highly safe.