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With the rapid advancement of science, technology, and the economy, the rapid accumulation of hazardous waste has become one of the most common environmental issues confronting the entire world. However, hazardous materials with toxic, corrosive, flammable, reactive, and infectious properties, as well as other dangerous properties, will cause serious harm to the environment, ecology, and human health if not handled properly. As a result, hazardous waste disposal research is extremely important in practice. This paper provides a basic overview of hazardous waste, as well as the current state of hazardous waste disposal in industries. Hazardous waste is defined as waste that poses significant or potential risks to public health or the environment. Hazardous wastes can exist in a variety of physical states, including gaseous, liquids, and solids. A hazardous waste is distinct from other types of waste because It cannot be disposed of in the same manner as other byproducts of our daily lives. Treatment and solidification processes may be required depending on the physical state of the waste. The final stage of a hazardous waste management system is hazardous waste disposal. In order to have secure disposal facilities, almost all possible disposal methods require proper pre-treatment. This article summarizes the fundamentals of various waste disposal methods, including incineration, immobilization, landfill, off-shore, and underground storage. The benefits, drawbacks, and applicability to developing countries are discussed.