Introduction to Sparks: The Sparks Hall mainly reflects the establishment of the Communist Party of China organization and the events during the Great Revolution and Agrarian Revolutionary War in the Hebei-Shandong-Henan Border Region from July 1921 to July 1937. The revolutionary activities showed that despite repeated setbacks under the white terror, the Communists never stopped fighting and preserved and developed their strength, laying a solid foundation for the establishment of the revolutionary base area in the Hebei, Shandong and Henan Border Region.