For some patients with advanced liver cancer, there is a phenomenon of flashback before death, but the specific situation needs to be decided according to the patient’s own situation. Generally speaking, if adrenaline is secreted too much in the body in the advanced stage of liver cancer, there will be a phenomenon of regression before death; regression of liver cancer usually refers to the sudden improvement of the mental state and condition of liver cancer patients, and the pains caused by the condition of liver cancer will be reduced obviously and the appetite will be improved, but it is not a phenomenon of cure for the patients with improved condition. However, most of the patients are not able to secrete too much adrenal hormone in their organism, and they will pass away in pain without any special circumstances (return). This disease is highly specialized, should go to regular hospitals in time, under the guidance of doctors to determine the specific treatment plan, actively cooperate with the treatment, good care as well as the care of family members will help to find out the occurrence of various complications and deal with them in time, which can effectively improve the survival period of hepatocellular carcinoma.