Cold, nausea and vomiting may be caused by gastrointestinal cold, which is mainly caused by cold or stimulation from other external factors. For the treatment of gastrointestinal cold, rest is the main focus when the symptoms are mild, and it is important not to exert yourself. Eat more easily digestible food, do not eat cold, spicy and stimulating food, greasy and fried food, do not drink alcohol, and pay attention to keeping warm. If the symptoms are not relieved, you need to see a doctor, you can take acid suppression, stomach protection, anti-infection and other medications under the guidance of the doctor, and then take some vitamin B6 to prevent vomiting, and try to adjust your diet.