Probiotics are beneficial to the liver, but their main role is to maintain the balance of intestinal flora. Probiotics are beneficial bacteria, including bifidobacteria, lactobacilli and so on, the main role is to regulate the balance of intestinal flora, to maintain the integrity of the intestinal mucosa, so that the digestive ability to become better, and at the same time, there are certain benefits to liver health. First of all, probiotics can help restore the absorption and utilization function of the intestinal tract, enhance the absorption of nitrogenous harmful substances, inhibit the growth of ammonia-producing putrefactive bacteria, and help reduce the level of blood ammonia and plasma endotoxin content in patients with cirrhosis; it is currently recommended that patients with cirrhosis use probiotics such as Bacillus cereus. Secondly, probiotics can also reduce the levels of transaminases and lipopolysaccharides, and reduce the damage caused by inflammation and oxidation to the liver, but the overall effect is limited and can only be used as an adjunctive treatment. Probiotics are beneficial to the liver, but the specific time of taking them, as well as the dosage, needs to be guided by a medical professional.