Paraquat is a highly toxic herbicide, at high doses it can have 100% mortality. The case of a male patient in the sixth decade of life who drank 60 milliliters of paraquat for suicide, which produced him perforation of the upper digestive tract, acute hepatorenal injury and finally lung damage. died of cardiorespiratory arrest, we did a literature review on the pathogenesis, clinical features, and treatment of paraquat poisoning.