Ephedrine, also known as ephedrine, is used clinically to increase the body’s excitement and also to elevate blood pressure. It can be used in the treatment of the following diseases: 1. Bronchial asthma and also the prevention of bronchial asthma. 2. Hypotension due to the central nervous system as well as slow hypotension. 3. Congestion, swelling and nasal congestion of the nasal mucous membrane caused by various reasons. Ephedrine can cause side effects in long-term application, the more common ones are tremor, anxiety, insomnia, headache, palpitation, feverish feeling, sweating and so on, so the application of ephedrine in the clinic must be carried out under the guidance of doctors.