2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47544Using quantum electrodynamics as an example, a dependence of physical predictions of quantum field theory in a finite perturbation theory order on the choice of renormalization scheme is studied. It is shown that On-Mass-Shell renormalization scheme is distinguished in quantum electrodynamics not only due to the agreement of the theory predictions with experimental results but also due to a set of specific theoretical properties. Thus performing renormalization procedure in other theories, it seems reasonable to use some of On-Mass-Shell renormalization scheme prescriptions.9 pages, 1 Postscript figureHigh Energy Physics - Phenomenologytext