With the success of the August Revolution, theatrical art entered a new creative period. Artists from all over the world are gathered. Literary groups were established. a series of theatrical plays were born in war zones serving the resistance. In the years of peace, the theater flourished, from a semi-professional theatrical movement, the campfire stage developed into professional art troupes. Entering the resistance war against the US, the mighty theater army went to battle with many fierce battles with the slogan "Tiếng hát át tiếng bom". Many theatrical productions born in this period with epic stature, praising feats, praising heroes, female martyrs, condemning the enemy, cheering the war are plays present in many battles. It leaves a deep impression on the viewers. After 1975, along with the convergence of the whole nation, the stage was on the roof of the Vietnam Association of Theater Artists. The highlight of the theater from 1975 to 1990, apart from epic works written about the war, was a series of plays with contemporary social themes.