Itching in the throat and mouth is one of the symptoms of potato poisoning from eating sprouted potatoes. Consumption of large amounts of immature or sprouted potatoes can cause acute poisoning. First there is a burning sensation and pain in the upper abdomen, followed by dry throat, nausea, vomiting, abdominal education, diarrhea, and even fever, respiratory distress, convulsions and coma, and can also cause intestinal cyanosis, mostly due to respiratory central paralysis and death. So, what tests should be done for throat and intraoral prickling? The following is a brief introduction: the examination items should be done for throat and intraoral itching: fecal bacterial culture, bacterial food poisoning detection. 1, bacterial culture: suspicious food, vomit and feces should be taken for bacterial culture. 2.Bacterial serology test: Bacteriological and serological tests should be done according to different etiologies. 3.Blood culture: blood culture of patients with severe disease, take early and two weeks after the disease, double serum and culture isolation of suspicious bacteria for serum agglutination test, double serum agglutination increasing potency has diagnostic value. When suspicious, especially if bacterial toxin poisoning is suspected, animal testing can be done to detect the presence of bacterial toxins.