Introduction to the Dongshan Defense War Memorial Hall: The memorial hall is divided into the first exhibition hall and the second exhibition hall. The first exhibition hall consists of a preface, an overview of the Dongshan Defense War, a list of heroes of the Dongshan Defense War, etc., and uses a sand table to display the enemy's attack, The direction of retreat and our army’s battle and counterattack routes. The second exhibition hall has five parts, mainly using text, pictures, tables and objects to vividly reproduce the entire process of the Dongshan Defense War.