In this experiment,tomato,balsam pear,erythritol and gelatin were used as the main components,and the production process of sugar free balsam pear tomato gel candy was op-timized through single factor test,response surface test and sensory score as indicators.The re-sults showed that the gel candy obtained the highest score in sensory evaluation when the addition of tomato juice was 35.5%,balsam pear juice was 6%,erythritol was 24%,and gelatin was 12%.The gel candy prepared by this process had beautiful appearance,chewiness,good elastic-ity and unique flavor of balsam pear and tomato.According to the analysis of texture characteris-tics,it was concluded that the hardness,adhesion,chewiness and viscosity of the prepared gel candy were lower than those of the same type of gel candy sold in the market.