Cediran poisoning often occurs in patients with ionic disorders, for this part of the patient, if there are symptoms of poisoning, such as frequent ventricular premature beats, etc., the blood electrolyte examination should be improved immediately, and the situation of high or low potassium should be corrected actively. At the same time, patients may have frequent ventricular premature beats, short bursts of ventricular tachycardia and other malignant arrhythmias, at this time, cardiac monitoring should be performed, and under the state of ensuring ionic balance, applying therapeutic antiarrhythmic drugs such as lidocaine. The patient can also be given fluids, diuresis, etc. to promote the metabolism of sildenafil and reduce the blood concentration of sildenafil in the body. If the concentration of cediran in the blood is too high and the patient’s symptoms are extremely severe, hemofiltration can be performed.