Symptoms of severe fatty liver include dizziness, anorexia, and fatigue. And the symptoms of severe cholecystitis include jaundice, vomiting and biliary colic. 1. Severe fatty liver: it will cause the elevation of blood fat, which will affect the blood circulation in the brain and cause dizziness and headache; as the liver can not metabolize fatty substances, it will lead to anorexia; severe fatty liver indicates that the liver function of the patient has been impaired, which will lead to fatigue and discomfort in the liver area, and other symptoms. 2. Severe cholecystitis: it can cause bile to flow back into the blood, leading to a significant increase in bilirubin in the blood, which can cause jaundice; severe cholecystitis can lead to spasm of the bile ducts, which can lead to nausea, vomiting, or even vomit with dark green bile; when cholecystitis is severe, it can lead to stones embedded in the gallbladder ducts, which can lead to biliary colic, and at the same time, there is a radiating pain on the right side of the waist and back. When severe fatty liver or cholecystitis symptoms appear, you need to go to the hospital for examination and treatment in time to avoid delaying the condition.