In recent years, Beijing tomato industry in the city agricultural development plays an increasingly important role. Open field and greenhouse planting as two different tomato planting modes, both the cost and the economic benefit is obvious difference. This article through to analysis two kinds of different planting methods of the cost and benefits, then find out the most suitable Beijing tomato planting way. After that some feasible suggestions about how to adjust and improve the industrial will be given, all of which are in order to promote the industry more fluently.