Bromocriptine is a commonly used dopamine receptor agonist in clinical practice, and nasal congestion due to nasal congestion is a common side effect, so long-term use of bromocriptine can lead to nasal congestion. Bromocriptine is commonly used clinically for the treatment of endocrine system disorders and neurological disorders. Its endocrine system indications are: female menstrual disorders, male hyperprolactinemia prolactinoma and so on. Neurological indications are mainly Parkinson’s disease. Long-term use of bromocriptine may result in respiratory side effects, most commonly nasal congestion, which may manifest as nasal congestion. For patients with nasal congestion, if the symptoms are mild usually do not stop taking the drug, if the symptoms are more serious, need to be based on the doctor’s advice for dose adjustment or stop taking the drug.