Nausea and dry vomiting from colds are mostly caused by gastrointestinal type of colds. There may also be dizziness, weakness and loss of appetite. You should use anti-cold medications, such as cold and fever granules, Qingkailing capsule, Shuanghuanglian oral liquid, as appropriate. Also use to inhibit the secretion of gastric acid, protect the gastric mucosa, and reduce the symptoms of nausea and dry vomiting. During the treatment period, you should take more rest, eat more vegetables and fruits, and eat less spicy and stimulating food. If the symptoms are heavy, you should go to the respiratory medicine department of the hospital in time for blood routine and chest X-ray examination. In severe cases, the symptoms should be relieved by infusion, and the cycle of the cold is about a week.