"Narine" bacterial extract is the most effective way for Dysbacteriosis treatment, restores intestinal damaged micro flora, regulates metabolism, is used to treat and prevent various intestinal infections (dysentery, diarrhea, salmonella, staphylococcus infection). It is useful in case of fungal diseases and also useful for the treatment of allergic diseases. Bacterial concentrate can be used 1 pack a day for children under 12 years of age and 1-2 boxes for children over 12 years and adults. The duration of treatment is 20-25 days. Shelf life: 15 days in refrigerator. The technology of preparation bacterial concentrate patented by the Patent Department A 1018, 2001, in Armenia Republic. The author is Roza Madoyan the candidate of Biology science.