A split plot experiment was conducted in greenhouse to investigate the effects of irrigation lower limit and maize straw returning on the yield, quality, and water use efficiency (WUE) of tomato. Maize straw was applied for 1 (2018, A 1 ), 2(2017, A 2 ), and 3 (2016, A 3 ) years at different amounts (0, 1.5×10 4 , 3×10 4 , 4.5×10 4 kg·hm -2 ) and different irrigation lower limits (50%θ f , 60%θ f , 70%θ f , 80%θ f , θ f was the field water capacity). Variance analysis, entropy-weight and TOPSIS methods were used to examine the responses of yield, quality and water use efficiency (WUE) of tomato. The results showed that tomato yield was enhanced by the increases of irrigation lower limit. The maximum value of yield was observed in the 80%θ f treatments, with the maximum average yield of 93.55 t·hm -2 in A 1 , 87.23 t·hm -2 in A 2 , and 99.34 t·hm -2 in A 3 , respectively. WUE and quality of tomato decreased with increasing irrigation lower limit. In the first year of straw returning, the maximum average yield of tomato was 99.60 t·hm -2 in straw returning 1.5×10 4 kg·hm -2 . In the second and third years, 4.5×10 4 kg·hm -2 straw returning had the highest average yield of tomato, which was 92.50 and 107.75 t·hm -2 , respectively. The maximum WUE was observed with the straw returning of 1.5×10 4 kg·hm -2 in A 1 and A 2 , while in the A 3 treatment it happened in straw returning of 4.5×10 4 kg·hm -2 . The quality index of tomato showed different trends with the increases of straw returning years and amount.