Under normal circumstances, iophorol injection is not harmful to the body. Iodofol is one of the commonly used angiographic agents in clinical practice and is mainly used in various vascular procedures and is excreted through renal metabolism. However, for those who are allergic to iodofol, renal insufficiency and pregnant women, it is contraindicated to inject iodofol in order to avoid a greater impact on the body.1. Not much harm: iodofol can be used in clinical treatment because it is not harmful to the majority of the population in the clinical trial stage, because iodofol will be excreted outside the body through renal metabolism, so when iodofol injection is needed for examination or treatment, there is no need to Therefore, when iodofol is injected for examination or treatment, there is no need to worry too much, and it has no major effect on the body; 2. There are hazards: people who are allergic to iodofol or belong to allergic body, if iodofol is injected, it will trigger serious allergic reactions in the body. In mild cases, skin itching and rash may occur, and in severe cases, serious allergic reactions such as laryngeal edema and anaphylaxis may occur. In addition, since iopromide is mainly metabolized by the kidneys, it is difficult to excrete iopromide from the body when it is injected to people with renal insufficiency, resulting in its accumulation in the body and thus endangering the body. Therefore, iophorol is contraindicated in the above mentioned groups and in pregnant women to avoid other effects. Iopamidol for injection is a commonly used drug in clinical practice and the doctor will conduct a thorough evaluation of the patient before administering the drug, so there is no need to worry too much about its use.