The invention discloses a healthy full-nutritional coarse cereal 
ice cream and a preparation method thereof. The preparation method comprises the following steps: performing wet 
superfine grinding on corn kernels and sesame to obtain superfine 
ground corn pulp and superfine ground sesame paste, pretreating 
sodium alga acid, carboxymethylcellulose, glycerin monostearate, 
guar gum, 
locust bean gum and salt so as to obtain a first auxiliary material mixture, pretreating white granulated 
sugar, 
glucose syrup, light cream and superfine ground sesame paste so as to obtain a second auxiliary material mixture, adding the first auxiliary material mixture and the second auxiliary material mixture into the superfine 
ground corn pulp, and adding water to obtain total 
ice cream materials; and sterilizing, homogenizing, cooling, 
ageing, gelling, filling forming and hardening, thereby obtaining the healthy full-nutritional coarse cereal 
ice cream. The ice cream disclosed by the invention is good in color, rich in 
nutrition and fine and smooth in taste, the total nutritional ingredients of the coarse cereals are prevented from being wasted, and the defects that traditional cold 
drink food is high in 
sugar and oil fat are overcome.