Empty stomach spit out a green liquid for bile is more likely, or a mixture of bile and gastric juice, because the empty stomach state stomach has basically no food, spit out this liquid may be bile reflux, gastric mucous membrane due to irritation. Common conditions and treatment 1, bile reflux: when the patient has obvious nausea, vomiting, bile can reflux from the duodenum through the pyloric valve to reach the stomach, in the nausea of this action will be spat out. Bile reflux is extremely damaging to the gastric mucosa. If left untreated, it will cause inflammation, erosion and bleeding of the gastric mucosa, leading to chronic lesions of the gastric mucosa and increasing the risk of gastric cancer. It is recommended to go to the hospital for examination and active treatment in time so as not to delay the condition; 2. Stimulation of gastric mucosa: it may be caused by irregular life in normal times, and the stomach is easier to be stimulated in fasting state. This situation needs to regulate the diet, do not eat spicy stimulating food, eat some easy to digest food, such as millet porridge, and pay attention to rest, do not be too tired. Precautions Vomiting will mostly lead to electrolyte disorders or even acid-base intoxication in the body. We have to cooperate with the doctor to carry out rehydration treatment in time, usually replenish some fluids and electrolytes from the vein. At the same time, we should pay attention to rest, you can use the side lying position to rest, so as to avoid choking into the windpipe when vomiting and causing discomfort.