How long a patient can live if liver cancer metastasizes to the lung is mainly related to the patient’s subsequent treatment as well as the patient’s basic health condition and mentality, which requires specific analysis and cannot be generalized. Generally speaking, liver cancer metastasis to lung is an advanced stage of the disease, and the survival time of patients is not long, mostly around half a year. However, in a few cases, such as patients with more differentiated cancer cells and less malignant degree, the expected survival time will be relatively longer. In addition, if the patient receives standardized anti-tumor treatment to control the development of the disease, and the patient’s mentality is also good, the survival time will be extended, which may exceed 1-2 years or have a longer survival time. During the treatment period, patients should actively cooperate with doctors, and at the same time, they should pay attention to rest and face the disease with an optimistic attitude, which is helpful to prolong the survival period.