If a patient has food poisoning, he or she can be treated by the following emergency measures. For example, you can drink 5000-8000ml of warm water at home, and immediately after drinking, you can induce vomiting and throat picking. When inducing vomiting, you should try to avoid retrograde choking and coughing, and when inducing vomiting, you should try to avoid accidental aspiration, and try to induce vomiting as many times as possible, and make the vomit in the gastrointestinal tract as colorless and tasteless and clear as possible. After vomiting and gastric lavage, you can also use enemas to induce diarrhea, and you can use corky’s milk or mannitol, castor oil, edible oil, etc. at home to induce diarrhea, and then perform excretion and drainage, and try to make the fecal discharge watery and make as much fecal discharge as possible. In addition, you should drink a lot of warm water, and you can also take certain hydrochlorothiazide or furosemide tablets, which can play an osmotic diuretic at the same time have a certain effect of protecting the liver and kidney.