Introduction to Teng Dai Yuansu’s office: Chief of Staff Teng Daiyuan was transferred from the General School of the Anti-Japanese University to the Front Headquarters of the Eighteenth Army after the anti-mopping up campaign in May 1942, replacing Comrade Zuo Quan who died heroically in the anti-mopping up campaign. position. At that time, the base area was in an extremely difficult period. Chief of Staff Teng made immortal contributions in crushing the enemy's frequent raids and weathering the difficult period, and consolidating the anti-Japanese base area.