100% occlusion of the middle section of the rotary branch is usually untreated, and it is recommended that it be treated in a timely manner. If left untreated, 100% occlusion of the middle ileo branch is very prone to myocardial infarction, which can be life-threatening when the symptoms are severe, so it is important to treat 100% occlusion of the middle ileo branch in a timely manner to avoid more serious symptoms. Patients can usually undergo stenting or bypass treatment, which can alleviate the blockage of blood vessels, and at the same time take aspirin, clopidogrel, atorvastatin calcium and other medications under the guidance of the doctor anticoagulant drugs to improve microcirculation. During the treatment period, we should ensure sufficient rest time, avoid violent fluctuations in emotions, eat as light as possible, and after the body gradually recovers, we can carry out some activities appropriately, but do not lift heavy objects. Follow the doctor’s instructions for regular use of medication, do not reduce or stop medication, and regularly to the hospital for review.