The invention discloses 
sugar-free 
starch gel candy and a preparation method thereof, and belongs to the technical field of production of candy. A formula of the candy comprises the following components: 5 to 20 percent of 
starch, 50 to 90 percent of one or more of 
sorbitol, 
mannitol, 
xylitol, 
maltitol, 
isomaltitol, 
galactitol and 
erythritol, 0 to 0.1 percent of edible acid, 0 to 5 percent of edible lipid, 0 to 0.02 percent of edible 
pigment, 0 to 2.0 percent of edible essence, and 0 to 20 percent of 
fruit juice or vegetable juice. The preparation method comprises the following steps of: proportioning, performing 
acid hydrolysis, sugaring off, adding auxiliary materials for blending, pouring, forming, demoulding, finishing, packing and the like. The 
sugar-free 
starch gel candy prepared by the method does not contain 
sucrose, and is suitable for special patients suffering from diabetes, hypertension and the like to eat. The 
sugar-free starch gel candy has a good forming effect, is high in chewing strength, non-sticky for teeth and knives, easy to 
cut and difficult to crystallize, separate out and fade, avoids 
decayed teeth, and facilitates industrialized production; and the quality guarantee period of the candy can reach 24 months.