Cold, nausea and vomiting may be caused by gastrointestinal colds, which are mainly caused by catching cold or stimulation from other external factors. For the treatment of gastrointestinal colds, rest is the main focus when the symptoms are mild, and it is important not to exert oneself. Drinking more hot water and ginger ale can help relieve nausea and vomiting. Drink more hot water and ginger water to relieve nausea and vomiting. Eat easy-to-digest food, do not eat cold, spicy and stimulating food, greasy and fried food, do not drink alcohol, and pay attention to keep warm. If the symptoms can not be relieved, you need to see a doctor, you can use medicine under the guidance of the doctor.