Leek is a very common vegetable, generally leek is not toxic, eating leek will not cause poisoning, but leek spoilage may cause food poisoning, patients may have nausea, vomiting, abdominal pain, diarrhea symptoms and may also have fever, vegetables in the planting process may be sprayed with a large number of organophosphorus pesticides, pesticide residues may also cause pesticide poisoning, patients can appear nausea, vomiting, tears, salivation, abdominal pain, some patients may also have muscle convulsions or spasms, Patients may experience nausea, vomiting, lacrimation, salivation, abdominal pain, and some patients may also experience muscle twitching or spasms. The presence of organophosphorus pesticide poisoning requires timely gastric lavage and the application of anticholinergic drugs and cholinesterase reenergizing drugs for treatment, which are recommended to be used under the guidance of a doctor and to be actively treated symptomatically. Patients with abdominal pain can take oral drugs to relieve smooth muscle spasm of the gastrointestinal tract, such as belladonna tablets; patients with diarrhea can take oral montelukast to stop diarrhea; the presence of bacterial infections also need to apply antibiotics for anti-infection treatment.