In the theses the urgency of the problem of preschool age children interethnic tolerance upbringing have been outlined. The experience of the tolerance upbringing in preschool institutions of foreign countries have been specified. Among them USA, United Kingdom of Great Britain, Denmark, France, Thailand, Japan. In the article the main lines of American pedagogy of teaching tolerance have been determined and grounded. The features of tolerance upbringing in the multicultural children's group with experience practicing teachers have been defined. The Explorative focus concentrated on the foreign experience, that may be suitable for implementation into preschool educational institutions of Ukraine. Careful attention have been paid to the unity of efforts of parents, children and teachers to achieve a common goal - improving tolerance in the modern society.