To identify the criteria of the predisposition to development of type 1 diabetes 38 patients of type 1 diabetes were examined with the help of dermatoglyphics. A screening group of 38 people without diabetes was chosen by the method of «directed selection» on the basis of age, sex and nationality. To process the material the multiple classification method based on the recognition of the theory of images and discriminant analysis based on the principles of the committees was used. The study identified characteristics of dermatoglifical picture of patients of type 1 diabetes, allowing selection of patients at high risk of type 1 diabetes.