If you want to vomit after exercise, consider that it may be a physiological cause, especially after strenuous exercise. It may also be a pathological cause, such as gastritis, gastric ulcer, exercise hypertension, cardiac arrhythmia and so on. 1. Physiological reasons: after strenuous exercise can lead to abnormal gastrointestinal peristalsis, abdominal distension, nausea, vomiting and other symptoms. Generally, it can be recovered after conditioning, which is related to frequent non-exercise or excessive exercise. 2. Pathological causes: such as gastritis, gastric ulcer and other diseases, generally before exercise will have gastrointestinal symptoms, exercise can lead to symptoms aggravated; such as exercise hypertension can also have a headache, dizziness and other symptoms; such as cardiac arrhythmia can also be tightness in the chest, panic and other symptoms. Want to vomit after exercise, there may be other reasons, for the case of wanting to vomit after exercise, it is recommended to consult a doctor to analyze the specific reasons.