The causes of dizziness, nausea and vomiting in patients after exercise may be the following: 1. It may be caused by an increase in the patient’s blood pressure in the case of strenuous activity, and it is recommended to improve the blood pressure clearly. It is recommended that the patient rest. If the blood pressure drops and the symptoms improve, consider factors related to this aspect. 2. If the patient’s usual activity is relatively small, when the exercise is more strenuous, it will cause the patient’s breathing rhythm to become deeper and faster, which will also cause the patient to experience dizziness, nausea and vomiting, and the patient is intolerant to this intensity of exercise. 3. It may be that the strenuous exercise induces cerebral vascular spasm, causing Patients with dizziness, nausea and vomiting symptoms are advised to take more rest. If the symptoms of dizziness and nausea are not relieved, it is recommended to consult a hospital to improve the transcranial Doppler examination.