Abstract: Integrated water and fertilizer technology could achieve accurate control of water and fertilizer，improve utilization efficiency of water and fertilizer，reduce production cost and agricultural pollution，reduce pests and diseases，and improve yield and quality of vegetables.Advantages of integrated water and fertilizer technology in vegetable production process were summarized，system structure and application flow of integrated water and fertilizer technology were introduced，points for attention of integrated water and fertilizer technology on fertilizer selection were also given，that could provide theoretical reference for irrigation and fertilization of facilities vegetables.