There are many clinical reasons for dizziness and diarrhea, such as food poisoning, gastrointestinal colds and acute gastroenteritis, which need to be treated symptomatically after clarifying the causes. 1. Food or drug poisoning: such as eating uncooked lentils, puffer fish poisoning, poisoning by poisonous mushrooms, heavy metal poisoning or pesticide poisoning, etc., can lead to diarrhea and dizziness, and patients are advised to go to the hospital promptly and under the guidance of a doctor for gastric lavage treatment. 2. Colds: mainly viruses cause gastrointestinal dysfunction, and symptoms of dizziness and diarrhea can also occur. It can be treated with antibiotics. If oral medication is not effective, infusion treatment can be chosen; 3. Acute gastroenteritis: Patients usually have unclean diet or overeating leading to acute gastroenteritis, with symptoms of epigastric pain, accompanied by nausea, vomiting and diarrhea. At this time, avoid eating cool food, pay attention to abdominal warmth, and if necessary, take oral haloperidol, flavopiridol with montelukast under the guidance of a doctor to relieve symptoms. In addition, patients are prone to dehydration and should be rehydrated in time by drinking warm saline or sweetened saline, and in severe cases, timely infusion of fluids.