Antidoteļ¼Drugs of the effect to prevent poison absorption and relieve toxic effect and it is divided into general antidote and specific antidote. The former divided into physical and chemical categories by the different modes of action. There are adsorption agents such as activated carbon, mucosal protective agents such as starch paste, egg white, milk and precipitation agents such as tannic acid solution in the kind of physical antidote. There are oxidants such as potassium permanganate, a neutralizing agent such as acetic acid solution, aluminum hydroxide gel, sodium bicarbonate solution and a precipitating agent such as iodine, and aqueous solution, an aqueous solution of copper sulfate and so on in the kind of chemical antidote. We can see specific antidote on special section.