Liver abscesses can take anywhere from a few weeks to a few months to form, depending on their cause, and are also related to an individual’s physical fitness, immunity, and the strength of bacterial pathogenicity. Liver abscesses caused by direct liver infection due to trauma such as car accidents or stab wounds are shorter in duration, usually around a few weeks. Liver abscesses formed secondary to biliary tract diseases such as gallstones and acute cholecystitis due to bacterial retrogression, acute appendicitis and peritonitis via the portal vein, and lung infections and infective endocarditis via the hepatic artery are usually around a few months old or even longer. Liver abscesses are formed when the liver is infected by bacteria that are not treated promptly and effectively. Common causative organisms include Escherichia coli and Staphylococcus aureus. Common clinical manifestations include localized pain and fever, etc. If there are relevant symptoms, it is necessary to consult a doctor in time, and adequate antibiotics are given to those with small abscesses, while puncture surgery is needed to treat the larger ones.