To endow the players of Soccer of the tools technician - tactics to put into practice the systems of games to the offensive starting from the situations that present the contrary teams, and to achieve that mediocampistas players and forward are able to maintain the intensity in the attack work during 90 minutes with creativity and intelligence constitute today medullar aspects on the part of the coaches, that’s why the objective of the investigation background this article is to design a game system for the offensive tactical preparation of the juvenile team of soccer of Havana starting from the difficulties verified during the classificatory zonal preliminary round of the years 2017. In the study different methods were used, procedures and technical of scientific investigation among which are: theoretical level, empiric level and in the prosecution of the information the descriptive statistic was used. The results of the gathered information verify that the system of games applied for the offensive projection of the team turned out to be faulty. The proposal of Game System for the preparation of the offensive tactics of the juvenile team of soccer, would improve the behavior of the team for future projections.