Objective — to assess the efficacy and safety of children tenoten in the treatment of children and adolescents with anxiety disorders. Material and methods. It was conducted a multicenter, double-blind, placebo-controlled trial of the drug tenoten children at a dose of 1 tablet 3 times a day for 12 weeks. The study included 98 patients (boys and girls from 5 to 15 years with a confirmed diagnosis of anxiety disorder), randomized into two groups: the first included 48 patients treated tenotenom children, in the second — 50 patients receiving placebo. Results and conclusion. Tenoten children has a strong anti-anxiety effect both on the results of self-assessment of patients, and on the reports of parents. This anxiolytic activity of the drug manifested most significantly in children aged 5 to 7 years. In addition, in patients 8—15 years of treatment spent tenotenom children to regress the symptoms of anxiety disorders by anxiety subscales SCAS «Separation anxiety», «panic attacks and agoraphobia» and «social phobia». Throughout the course of treatment tenoten children have been no adverse events.