In recent years, more and more attention has been paid to the problem of control and (PDF) maintenance of nutritional status in patients with elimination diet for food allergies. The high effectiveness of this treatment method is associated with the risk of nutritional deficiency, impaired physical growth and eating behavior disorders in children due to the possible long-term elimination of important food groups without adequate replacement. This review considers physical growth disorders in children with food allergies due to insufficient intake of micronutrients (vitamins, fatty acids), as well as such behavior disorders as distortion of food and taste preferences and food neophobia. We also discuss the problems of artificial mixture choice in children of the first year of life, correction of the diet in children over one year of age with micronutrient supplementation, as well as the results of studies on the quality of life of both children with elimination diets and people from their families. When prescribing an elimination diet, the doctor must constantly monitor diet and growth indices of the child. It is necessary to take to into account the child's age, his nutritional requirements and possible deficiencies of nutrients while planning the diet, as well as determine the necessary and sufficient diet duration.