This study aimed to identify the impact of growing tomatoes in greenhouses, and adopted the study in achieving its goals of economic analysis on the record. This study resulted in a series of results including: 1- Are growing tomatoes in greenhouses in five regions: Riyadh, the productivity of the eastern region, Assir, Qassim and Hail, since there by about 78.94% of the total area planted with tomatoes in greenhouses in 2006. 2- The area of cultivation and production of tomato crops in greenhouses growth rate of 8.17%, 4.16%, respectively, while productivity fell at a 6.1% decrease annually during the period 1990 2006.   There is a difference between the moral middle-cultivated area, production and productivity of each tomato crop of houses and crops protected open during the study period.  4- Entail the cultivation of tomatoes in greenhouses to increase crop production for the same rate of change of 4.6% compared to agriculture open. 5- The study recommends the following: a) To provide agricultural loans for the expansion of greenhouses in various regions of Saudi production.  b) provide trained technical personnel to work in the greenhouses to increase production and take advantage of market opportunities to increase sales and profits.