The study aims to reveal the effect of the social economic level on the sexual typing for pre-school children, the sample contains (90) children from (5) years to (5.11) years, divided into three social economic levels: low mild-high in Cairo city, the study applies the socio-economic level scale for (Abd El Azeez El Shakhs, 1988), and the sexual typing scale (A, B) for (Nareman Refaei), the results revealed that there are statistical differences in the scores of the sexual typing for pre-school children according to the social economic level, gender and that there are not statistical differences in the sexual typing level for children in pre-school according to the interaction of the social economic level x the child sex.