Atosiban, i.e. Atosiban Acetate, is commonly used in clinical dosage form as injection, and its side effects mainly include discomfort at the site of administration, gastrointestinal discomfort, neuropsychiatric symptoms, cardiovascular abnormalities, respiratory system abnormalities and so on. 1. discomfort at the site of drug administration: such as pain and inflammation at the injection site, which are more common. 2. Gastrointestinal discomfort: nausea, vomiting, etc. are more common. 3. Neuropsychiatric symptoms: headache, dizziness and other discomforts are more common, insomnia is not common. 4. Cardiovascular abnormalities: low blood pressure, tachycardia, etc. are more common. 5. Respiratory abnormalities: such as dyspnea, pulmonary edema. 6. Others: such as allergic reaction, hyperglycemia, rash, pruritus, uterine bleeding, uterine contraction weakness, etc. Atosiban Acetate Injection is a synthetic peptide, clinically it is mainly used in pregnant women to delay impending preterm labor, the specific conditions of application should be determined by a doctor. It is important to note that this product is contraindicated for those who are allergic to any of the components of this medication, for those whose gestational age is less than 24 weeks or more than 33 full weeks, and for those who have premature rupture of membranes at more than 30 gestational weeks. In addition, this drug is contraindicated in cases of antepartum uterine bleeding requiring immediate delivery, intrauterine fetal death, intrauterine fetal growth retardation and fetal heartbeat abnormalities, suspected intrauterine infections, placenta praevia, early abruption of the placenta, eclampsia and severe pre-eclampsia requiring immediate delivery, and in any case where continuation of the pregnancy would be harmful to the mother and the fetus. Atosiban Acetate Injection should be used by professional doctors, patients should not use the drug on their own, and if any discomfort occurs during the use of the drug, the doctor should be informed promptly and treated accordingly.