There are exposed diverse dogmatic aspects of the disciplinary power of the employer in order to specify it and avoid confusions. Thus, the following aspects of the disciplinary power are treated: its foundation, its jurídica! nature, its concept and characteristics, its purpose, its relation with the power of direction, its relation with the contractual responsibility and a brief reference to its regulation in the jurídica! Chilean classification.    Se exponen diversos aspectos dogmáticos del poder disciplinario del empleador con el propósito de precisarlo y evitar confusiones. Es así, que se trata: su fundamento, su naturaleza jurídica, su concepto y características, su finalidad, su relación con el poder de dirección, su relación con la responsabilidad contractual y una breve referencia a su regulación en el ordenamiento jurídico chileno.