Complications of interventional treatment for portal hypertension are as follows: 1. bleeding at the puncture point, which may cause hematoma; 2. contrast allergy, which may be done without allergy or no history of allergy during the skin test; 3. portal and vena cava opening, which may easily lead to hepatic encephalopathy; 4. restenosis of the stent; 5. after the first interventional procedure, it is recommended to review once after one month, then three months, and then six months to go for a review, according to the patient’s specific situation.