The stomach and nausea are caused by the dysfunction of the spleen and stomach as well as the lack of qi and blood. The biological clock is affected after staying up late, which leads to the dysfunction of the spleen and stomach and affects digestion, resulting in nausea and regurgitation. Staying up late will keep the brain in a state of excitement and tension, resulting in brain cells not getting sufficient rest, causing brain ischemia and hypoxia, leaving the body in a state of exhaustion and dizziness and nausea due to lack of qi and blood. Therefore, we should pay attention to rest, do not stay up late too often, do not often smoke, drink, eat spicy and stimulating food, keep enough sleep, eat more fruits and vegetables, drink more water. At the same time, you can eat to help digestion and regulate intestinal function, improve the gastric power of drugs, such as morpholine drugs with lactobacillus tablets orally, if regurgitation, nausea is serious, it is recommended to go to the hospital for treatment.