The larvocystes are localize in the liver (59,75%) and lungs (16,86%) and the 0.24-2.4% – in the another organs. The total seropositivity of the population in Namangan region was 6.2%; the quantity of the investigated persons on the whole with diagnostic titer – 9.7%.Taenidosis ova’s in the 1 kg soil was from 50 to 100; the quantity of ascaris ova’s – 50 and trichocephalus ova’s – 50-100.