The main effect of metoclopramide injection is antiemetic, the specific use of medication should follow the doctor’s instructions. Metoclopramide injection is a kind of antiemetic, mainly used for the treatment of surgery, radiotherapy, craniocerebral injury, traumatic brain injury sequelae, sea and air operations and drug-induced vomiting, but also can be used for acute gastroenteritis, uremia, biliary pancreas and other diseases caused by nausea, vomiting symptoms, but also in the diagnostic duodenal intubation before the use of barium X-ray examination of the gastrointestinal or used during the. The drug is contraindicated in hypersensitivity to procaine or procainamide, with mechanical intestinal obstruction or perforation, gastrointestinal bleeding, pheochromocytoma, epilepsy, patients with breast cancer who vomit as a result of chemotherapy and radiotherapy, and children under 2 years of age. Some of the more common adverse reactions during administration include irritability, lethargy, and fatigue and weakness. Regarding the specific use of metoclopramide injection, it should be carried out under the guidance of a specialist, and should not be used without authorization.