Low blood pressure in liver cirrhosis may be caused by gastrointestinal absorption function, cirrhosis combined with ascites, gastrointestinal hemorrhage, etc. If the patients have obvious discomfort symptoms, it is usually more dangerous. 1. Gastrointestinal hyposorption: patients with cirrhosis have poor appetite due to gastrointestinal hyposorption, especially in decompensated cirrhosis, patients are usually thin, with low blood volume, thus easy to have low blood pressure, accompanied by dizziness, panic symptoms when moving. 2. Cirrhosis combined with ascites: if cirrhosis patients have ascites or large amount of ascites, it will also affect the effective blood volume of the whole body, and then the symptoms of low blood pressure and panic after activity will also appear. 3. Gastrointestinal bleeding: if patients with cirrhosis have low blood pressure, accompanied by epigastric discomfort, abdominal distension, vomiting blood, blood in stool, or even symptoms such as cold sweat, cold limbs, decreased urine output, etc., it is usually due to gastrointestinal bleeding, which is more dangerous. If cirrhosis patients have low blood pressure, it is recommended to consult a doctor in time, under the guidance of the doctor, improve the relevant examination, clarify the cause of the disease, and symptomatic treatment.