Vascular interventional patient care includes many aspects, including vital sign monitoring, observation and care of the puncture site, lower limb blood circulation monitoring, urine volume observation, pain observation, and nutritional diet all need attention. Specific nursing operations are as follows: 1. After the interventional procedure, the patient should be placed in a flat position, with the puncture site and the limb kept completely straight, and should be braked for more than 6 hours to facilitate the contraction and closure of the vascular puncture site, ensure smooth blood flow, and prevent thrombosis. After more than 6 hours, the limb can be rotated from side to side or taken to the healthy side. The escort should assist the patient in turning under the guidance of the medical staff. 2. For the observation and care of the puncture site, a 1 kg sandbag should be given to add pressure for 6 hours, and care should be taken that the sandbag cannot be shifted, and the puncture site should be closely observed for blood oozing and hematoma formation, and the dressing should be kept dry to prevent infection. 3. The normal urine volume can reflect the excretion of contrast agent and chemotherapy drug degradation products, so it is necessary to record the urine volume after surgery. Patients may have difficulty in urination because some patients cannot urinate after lying down, so they can be catheterized by indwelling catheter; 5. Patients may experience loss of appetite, nausea, vomiting, diarrhea and other gastrointestinal symptoms, at this time, the diet should be light, highly nutritious and easy to digest.