Fish oil fat emulsion injection, generally referred to as omega-3 fish oil fat emulsion injection, is primarily intended to provide energy supplementation for patients who are unable to perform oral or enteral nutrition. Omega-3 Fish Oil Fatty Emulsion Injection, which is generally indicated for patients who have difficulty with, are incompetent for, or have contraindications to oral or enteral nutrition, is able to replenish patients with long-chain omega-3 fatty acids to supply energy to the body. Common adverse reactions to this product include prolonged bleeding time and inhibition of platelet aggregation. Contraindications: disorders of lipid metabolism, severe bleeding disorders, uncontrolled diabetes, shock, recent myocardial infarction. When using medication, it is important to use the drug under the guidance of a specialized doctor. Serum triglycerides, blood glucose, blood electrolytes, blood cell count and other indicators should be checked regularly during the use of the drug.