If the symptoms of vomiting and diarrhea, dizziness and nausea appear suddenly, it is likely to be caused by food poisoning, which requires prompt consultation with the gastroenterology department of the hospital. If there is a bacterial infection, you can also use cephalosporin antibiotics, or norfloxacin and other drugs for anti-infection treatment. This symptom may also be caused by plant nerve dysfunction, which can be seen in long-term mental stress or irregular work and rest habits, this situation can be improved through a combination of medication and psychological intervention therapy, commonly used drugs are glutathione, acetic acid granules and so on. Usually also pay attention to the formation of good habits of work and rest, appropriate to participate in outdoor sports.