This paper discusses the procurement decision for logistics service integrator，including the number of whole sale price and booking option in the first period，options to perform in the second period and the spot purchasing in the third period，and sets up a purchase model without the influence of shortage of capital to find the purchase decision for logistics service integrator in the third period． Then introduced the constraint of order budget，analyzed the procurement decision for integrator under this condition，and compared the decision of logistic service integrator in both situation，discussed the influence of shortage of capital on logistic capabilities procurement for integrator． Finally，the research findings was described and verified by data analysis．