Cutaneous leishmaniasis has been recorded in Tehran before 1953 and in spite of decrease of the cases by development of urbanization and destruction of gardens around the city, by increase of population and cases again were increased and in 1953-1956 the first important epidemic was occurred and then in 1964 and 1965 other epidemics were reported from other parts of the city. In 1979 a study was carried out in north of Tehran and 6000 persons were observed that out of whom 1.6% had active lesions and 13% had scars. At present study we visited 3449 students 7-14 years old that 0.95% of them showed active lesions and 6.25% the scars. The comparison of the results of this study and the previous study shows that the cases have been increased in Darakeh but there isn’t any significant difference between them in Evin.