Based on the analysis of the relationship between vegetable and meteorological condition,the regression equation to guide the Beijing vegetable carriage by temperature (T) and relative humidity (RH) was derived.The results show that the T and RH exist the daily change and it′s suitable to carry vegetable in winter afternoon and summer morning over Beijing,while it′s best in spring and autumn.So Index of Vegetable Carriage is useful to city vegetable carriage.