Whether patients with liver cancer can have cohabitation, that is to say, have sex, depends on the stage of cancer and the physical condition of patients, as follows: I. Can have sex: patients with liver cancer in the early stage can have sex because at this time, the patients’ condition has been well controlled through surgical treatment or (and) medication and there is no any abnormality in their body, so appropriate sex is rather conducive to the patient’s The physical recovery. Sexual life is not allowed: if liver cancer patients develop to the advanced stage, they should pay attention to the fact that they can’t have sexual life, because the body of patients in the advanced stage is generally weak, and it is unfavorable to the body if they have sexual life in this situation. Since a certain amount of physical strength is needed when having sex, if the patient consumes too much physical strength, it is not only unfavorable to the body, but also leads to deterioration of the condition sometimes. Liver cancer patients should pay attention to the fact that if they want to have sex, they should first see which stage their condition has entered and then make a decision.