Under the leadership of relevant organizations at all levels of the China Production Party. After May 20th, students put forward the slogan of "anti-persecution", and the movement spread towards the goal of "anti-hunger, anti-civil war and anti-persecution", and quickly expanded to more than 60 large and medium-sized cities, meeting with the struggles of workers' strikes, teachers' strikes and other people from all walks of life, marking the formal formation of the second front against Kuomintang rule.