A pot experiment was conducted to investigate effects of steel and iron slag zinc fertilizers on yield and quality in tomato. Results showed that application of steel and iron slag fertilizers with zinc could advance upgrowth of tomato and increased yield by 2.78% - 17.03% compared with single fertilizers. At the same time , they raised the content of soluble sugar by 4.74% - 7.11% compared with single fertilizers, decreased the content of Vc and had little effect on content of protein.