The moral-sexual education is an integral part of the moral education and it is connected to a number of pedagogical and special medical problems. It brings up the complete personality, capable to realize the social and moral norms, the psychological and physiological features and due to this to establish the optimum in relations between the people of the both genders. It should help in the developing of a personality to master the role of a boy or a girl, a young man or a girl. The correct biological, social, hygienic, moral-ethical, ethnographic, religious and other data on displays of a gender received by the rising generation gradually, according to age, will promote the reduction of ignorance, disgrace, taboo, mystery in the questions concerning these displays.