Diet after cirrhosis portal vein shunt operation should be low in salt, vegetables and fruits, and high in protein. 1. Low salt: diet after cirrhosis portal vein shunt operation should be based on low salt, if the patient has ascites, it is recommended that the amount of salt should be less than about 3g per day, and at the same time, limit the amount of fluid entering the body. 2. Vegetables and fruits: you can consume some vegetables and fruits to supplement vitamins after the surgery, such as broccoli, rape, apples, grapes and so on. 3. High protein: Post-operative diet should choose to consume high-protein food, which can supplement the body’s required nutrients, such as fish, shrimp, yogurt, etc. It is recommended that meat food should not be too oily, and should be light, so as not to cause a burden on the digestive system. Patients should also go to the hospital in time if they have other uncomfortable symptoms, so as not to delay the diagnosis and treatment.