This paper integrates a doctoral thesis* to investigate the Basics Quantum Mechanics (MQ) teaching in high school. This work adopts as Conceptual Structure of Reference the Paths Integrals method of Feynman [4], and a Proposed Conceptual Structure for Teaching (PCST) [2, 3] is designed, analyzed and proposed. The PCST does not follow the historical route and it is complementary of the canonical formalism. The concepts: probability distribution, quantum system, x(t) alternative, amplitude of probability, sum of probability amplitude, action, Planck´ s constant, and classic-quantum transition were constructed with the students. The math formalism was eluded and simulation software assistance was used. Also, we are presenting results about the affective impact (PCST) in the class group.