Abstract: In order to improve the quality of plant landscape in agricultural sightseeing garden,excavate the value of plant landscaping,and scientifically analyze the advantages and disadvantages of plant application in the park,this paper used analytic hierarchy process to comprehensively evaluate the plant landscape in Tianjin suburban agricultural sightseeing garden,and the weight of the evaluation indexes and their importance order were obtained.The results showed that the weight value of the criteria layer was from the highest to the lowest,which was aesthetic function（0.539 6）＞service function（0.297 0）＞growth status（0.163 4）;in the factor evaluation layer,the overall ornamental effect（0.229 2）＞popular science education（0.185 6）＞level richness（0.144 9）＞health status（0.108 9）＞color and seasonal change（0.084 3）＞retention（0.070 8）＞maintenance management（0.054 5）＞artistic conception beauty（0.051 3）＞landmark（0.040 5）＞plant morphological change（0.029 9）.Finally,according to the classification standard of the comprehensive evaluation index of plant landscape,the four parks were classified.Wanyuanlongshun Manor and Shuigao Manor belong to grade I;Mingyanghu Urban Park belongs to grade II;Wuxia Ecological Park belongs to grade III.It could be seen that the plant landscape of Tianjin suburban agricultural sightseeing garden was generally well,and it had good comprehensive quality in aesthetics,growth status and service function.