Aiming at traditional soil cultivation method with high labor intensity, long seedling growth cycle, and difficulty to accurately control nutrient solution ratio, a set of equipment integrating water and fertilizer integration system, substrate cultivation, and hydroponics cultivation were developed and tested．During cultivation, seedling tray with substrate was placed in institution's upper layer, with air layer in middle interval, and hydroponic nutrient solution was supplied at right time from institution's lower layer using water and fertilizer integration system．So seedling's root was in three mediums of substrate, air, and nutrient solution, which could simultaneously absorb water, nutrients, and air．Through a unique dual cultivation, seedling's root was provided with an optimal growing environment, combining advantages of substrate cultivation and hydroponics to promote rooting and breeding strong seedlings effect．