Dobutamine (i.e., refers to Dobutamine Hydrochloride Injection) is a vasoactive class of emergency medicine for critical conditions such as heart failure and shock. Dobutamine Hydrochloride Injection is a beta-adrenergic receptor agonist that enhances myocardial contraction and increases cardiac output, and is suitable for the short-term supportive treatment of conditions such as heart failure and shock due to organic heart disease or cardiac surgery. Therefore, this drug can play a certain role in the emergence of heart failure and shock and other serious life-threatening situations, belonging to a kind of emergency drugs. Contraindications to the use of the drug are not clear at this time. Adverse effects include nausea, headache, palpitations (rapid heartbeat, often accompanied by panic), chest pain, shortness of breath and so on. Specific use of the drug should be carried out under the guidance of a specialist, not unauthorized use of the drug.