The most prominent manifestations of hepatic encephalopathy in the prodromal stage are personality changes and behavioral disorders. Hepatic encephalopathy is divided into the prodromal stage, the pre-coma stage, the lethargy stage and the coma stage, among which the most prominent symptoms in the prodromal stage are personality changes and behavioral disorders. Personality changes in the prodromal stage of hepatic encephalopathy patients are mainly manifested as euphoria, agitation, or indifference and reticence, such as introverted patients become talkative and extroverted, and extroverted patients become indifferent and introverted, and are reluctant to socialize. Behavioral disorders in patients with hepatic encephalopathy in the early stage mainly manifested as disheveled clothing, urination and defecation. The patient’s responses are accurate, but his or her speech is slurred and his or her thinking is slow. If hepatic encephalopathy is diagnosed, the patient should seek medical treatment without delay, so as to achieve early diagnosis and early treatment. Pay attention to rest on weekdays, quit smoking and drinking, and avoid overwork.