Aiming at bring into effect excruciation to defendant, bourgeois are incessant development and perfect, establish no additional punishment resulting from retrial procedure.

针对封建主对告人施以酷刑，任意加刑罚现象，资阶级在禁止利益变更原则基础上发展和完善，在再程序中确立了再加刑原则。