Dizziness and vomiting after eating are mostly symptoms of acute gastroenteritis caused by unhygienic diet, or cold. It is recommended to take proper rest, drink more warm water and observe whether the symptoms are relieved. If necessary, you can take appropriate drugs to enhance gastrointestinal motility, such as morpholine, mosapride; you can also take Huo Xiang Zheng Qi Pills. Pay attention to dietary hygiene, eat regularly, eat less and more meals, eat more fresh vegetables and fruits, and avoid cold, greasy, spicy and stimulating foods. If you have frequent symptoms of dizziness and vomiting after meals, you should also rule out the possibility that it is due to cervical spondylosis, etc. You need to further examine the cervical spine through positive and lateral radiographs to clarify the diagnosis and then target treatment, and avoid excessively lowering your head during meals.