Introduction to Yihechang Drug Store:Yihechang Drug Store is the residence where Comrade Mao Zedong and Zhang Wentian lived. The drug store is located on the upper street and consists of three north rooms and eleven south-facing shops, all of which are flat. Tile house. The north room is the original building, the middle hall is the office of the Central Committee of the Communist Party of China at that time, the left room is Mao Zedong's room, and the right room is Zhang Wentian's room.