Unclosed foramen ovale occlusion is now mostly treated with interventional therapy, which is a minimally invasive procedure. The general recovery period is about half a month, and the patient can be discharged from the hospital without any abnormality two days after the procedure, and standardized care is needed after the procedure to ensure a good prognosis. Unclosed foramen ovale blocking surgery is to enter a catheter into the right atrium through the femoral vein at the root of the thigh, reach the unclosed foramen ovale to the left atrium, release the blocker and block the unclosed foramen ovale to achieve the surgical purpose. Strict bed rest for 12 hours is needed after the surgery to avoid the occurrence of incomplete closure, etc. Prophylactic use of some antibiotics to prevent infection, such as roxithromycin, is also needed under the guidance of the doctor. In the postoperative period, it is also necessary to carry out anticoagulation therapy under the guidance of the doctor, avoiding strenuous exercise, avoiding the occurrence of displacement of the oval foramen occluder. After the oval foramen occludes the sealing operation need to standardize the care, regular review, under the guidance of the doctor to carry on the standard treatment, if there is discomfort, need to consult a doctor in time.