Patients with motion sickness, vomit bleeding condition, the specific circumstances are as follows: 1, if only a small amount of vomit with blood, may be due to frequent vomiting action caused by the mucous membrane of the pharynx, as well as the esophageal mouth part of the mucous membrane appeared excessive congestion, or even localized ulceration of the situation, will lead to a small amount of vomit with the symptom of blood. 2, if the patient has a large amount of fresh blood, or there are a large number of blood clot If the patient has more fresh blood, or more blood clots, it is necessary to further go to the hospital for a careful and comprehensive examination of the whole respiratory tract as well as the digestive tract. It is possible that the patient may have frequent vomiting behaviors that cause the mucous membrane of the throat to be eroded and broken, which may cause the occurrence of this bleeding symptom. Patients may have digestive tract diseases, such as gastric ulcers, which may also cause bleeding symptoms due to frequent vomiting behavior, and further detailed examination is needed to distinguish the cause of the disease.