The invention provides a dangerous waste container. The dangerous waste container comprises a box body and a box cover. The box body is used for accommodating dangerous wastes; and one end of the box body is opened. The box cover tightly seals the opening, and comprises a fixed plate and an unloading cover positioned on one side of the fixed plate; the fixed plate is fixedly arranged above the opening for partially sealing the opening; one side, near the fixed plate, of the unloading cover is hinged with the fixed plate; the unloading cover seals the other part of the sealed opening; and a charging port is formed in the fixed plate, and is sealed through a charging cover. The dangerous wastes are safely stored in the dangerous waste container to prevent leakage and to prevent secondary environment pollution.