Abstract: The methods of intubation gastric lavage on patients with oral poisoning were studied.Tthe paper narrated the timing of gastric lavage,the choice of stomach pipe,the body position of gastric lavage,the depth of intubation,the choice of gastric lavage liquid,the quantity and temperature of gastric lavage and the safety of gastric lavage.The different methods of gastric lavage and the skills of intubation were compared,the experiment results were given.