Abandoned chemical weapons (ACW) by the Japanese Army in China belong to old chemical weapons, which were produced in World War II, buried underground or underwater. There are significant differences between old chemical weapons and chemical weapons in stock. The aim of the paper is the investigation and study on the disposal and destruction of ACW. We present the methods how to recognize and identify ACW, how to distinguish what kind of chemical warfare agents inside it. Its destruction principle and basic program of ACW, the operation technological processes for destruction of yellow munitions, red munitions, irregular munitions, contaminated solid material and water, other wastewater are specially emphasized. (C) 2012 Selection and/or peer-review under responsibility of Basel Convention Coordinating Centre for Asia and the Pacific and National Center of Solid Waste Management, Ministry of Environmental Protection of China.