1.Start with a small dose to gradually tolerate and adapt. (Maximum dose 30mg) 2.Take after meals, if nausea, vomiting and other gastrointestinal gastrointestinal reactions still occur, can be given with morpholine oral, most patients can continue treatment after such treatment. 3, during the administration of the drug should be noted to slowly change the position, do not suddenly rise, hot showers or baths to avoid falls. Due to the possible occurrence of upright hypotension DD manifested as dizziness when standing up from the lying or sitting position, and when the systolic blood pressure decreases by 30mmHg or diastolic blood pressure decreases by 15mmHg or more after changing the position, if the symptoms are obvious, Midodrine (tube pass) treatment can be given. 4. Therefore, dangerous operations such as driving should be avoided within 1-2 months of the initial administration! As increased sleep is also a relatively common side effect, it can generally disappear after several weeks and months. A small number of patients may experience transient uncontrollable sleep episodes. A small number of patients may also experience psychiatric symptoms, such as hallucinations, which can be relieved by reducing the dose or adding antipsychotics. The SFDA revised the instructions for dopamine agonist formulations in 2009 to add the above warning. 6. Patients taking this drug (especially on the first day of dosing) should have their blood pressure monitored to detect early signs of elevated blood pressure and to discontinue the drug. 7. If hypertension, suggestive chest pain, severe progressive or uninterrupted headache (with or without visual disturbance), or signs of central nervous system toxicity develop, treatment should be discontinued and the patient should be evaluated immediately. 8. It should not be used routinely to suppress lactation, nor should it be used for the treatment of symptoms of postpartum pain and swelling, which can be relieved by non-pharmacologic interventions or treatment with analgesics. 9. Bromocriptine is also contraindicated in women with a high risk of serious adverse reactions, including women with various diseases of elevated blood pressure, women with or who have had cardiac or serious psychiatric disease. 10. Bromocriptine is contraindicated in patients with refractory hypertension, hypertensive disorders of pregnancy (including eclampsia, pre-eclampsia, or gestational hypertensive syndrome), postpartum and puerperal hypertension, a history of coronary artery disease or other serious cardiovascular disease, or a history of serious psychiatric illness.