Eating bad stomach nausea and vomiting may be acute gastroenteritis, can be treated by diet, rehydration, taking antibiotic drugs and so on. 1. Dietary adjustments: patients with nausea and vomiting symptoms are recommended to fast first, after the symptoms are relieved, you can choose light, easy to digest fluid (such as porridge), avoid spicy stimulating food. 2. Rehydration: patients with severe vomiting may lead to water electrolyte disorders, requiring intravenous infusion to replenish blood volume and maintain the body’s water electrolyte balance. If accompanied by diarrhea, you can choose montelukast to stop diarrhea. 3. medication: patients with bacterial infection can take antibiotics such as amoxicillin antibacterial treatment, while taking probiotics such as Bacillus licheniformis to regulate intestinal flora. It is recommended to eat bad stomach nausea and vomiting patients to the regular hospital in a timely manner, under the guidance of the doctor standardized treatment, so as not to delay the condition or lead to adverse reactions.