Abstract: NET as the third generation of the new technique of hydroponics was evidently advantageous in overcoming continuous cropping obstacles , producing non-polluted vegetables and increasing vegetable yield. According to the practical circumstances of our country , the authors studied to realize simplification of cultural technics in the follow respects of NFT: culture installation , ways of supplying nutrient solution , raising and transplanting of seedilings , renovation of nutrient solution management methods and proper concentration of nutrient solution etc .in order to increase tomato yield and profit and to reduce prodution cost by a big margin .The standard of complete series of NFT of protected tomato cultivation was basically formed at the present stage.