Ovarian foramen undulant has a good prognosis with treatment and generally does not affect life expectancy, but may affect life expectancy if the foramen undulant is large and untreated. Ovarian foramen undulant is a physiologic channel of the atrial septum in embryonic period, which can be fused after birth, and those who fail to fuse are called ovarian foramen undulant, most of the ovarian foramen undulant will not have blood shunt or small shunt, mostly asymptomatic, and will not have any effect on life expectancy, and for the serious condition, abnormal shunt of the blood will be present, and it can be treated by surgery with a better prognosis. The incidence of patent foramen ovale is high, and most patients do not have symptoms throughout their lives, but a large and untreated patent foramen ovale can lead to atrial fibrillation, heart failure and other complications, which can affect the patient’s life. In order to avoid smoking and alcohol, avoid strenuous labor or work, and develop a regular routine, if you feel unwell, you should consult a doctor in a timely manner and take treatment according to the doctor’s instructions.