Under the leadership of Wu Tingjun, Xi Zhongxun and other students of the third division actively participated in the patriotic movement.The reactionary director of education, Wei Hai, took advantage of the "Badou Incident" to arrest 9 patriotic students including Xi Zhongxun.In prison, Xi Zhongxun persisted in fighting and officially joined the party.In May 1928, Liu Zhidan and others led the Weihua Uprising with great momentum.In June, Xi Zhongxun and other arrested students were sent to the Xi'an Military Tribunal. In prison, they heard the stories of the Weihua Uprising and Liu Zhidan and other revolutionaries, and they were inspired.