Introduction to the Military History Exhibition of the Sichuan-Shaanxi Revolutionary Base Area: The Military History Exhibition Hall displays "Bashan Beacon" to display the major activities of the Fourth Red Army in the Sichuan-Shaanxi Soviet Area, using historical documents, cultural relics, specimens, pictures, etc. and multimedia The organic combination and partial restoration have concentrated on the historical facts of the "three headquarters" of the Fourth Red Army and the selfless dedication of the people in the Soviet area, and reproduced the great achievements of the Fourth Front Army of the Chinese Workers' and Peasants' Red Army and the Sichuan-Shaanxi Soviet Area created and led by the Communist Party of China.