Patients with single atrium single ventricle can be treated by the following means: i. Improving cardiac function therapy, patients with single atrium single ventricle will have poor cardiac function and need to be given diuretic drugs, cardiotonic drugs, vasodilator drugs, anti-infective drugs anti-heart failure therapy; ii. Maintaining blood pressure, patients with single atrium single ventricle may have very low blood pressure, or even shock blood pressure due to cardiogenic shock, so if necessary, rehydration The patients with single atrium and single ventricle will not be cured by conservative medication and can only be cured by surgical treatment.