Generally speaking, if a patient is diagnosed with liver cancer, at this time, it is recommended that the patient undergoes genetic testing because the mutation points of the patient’s genes can be determined, which can play a good role in guiding the patient’s treatment. If the genetic test result shows that the patient is used for targeted drug therapy, then the targeted drug therapy will play a role in killing the patient’s liver cancer cells, prolonging the patient’s survival time and improving the patient’s quality of life. Moreover, for some liver cancer patients who cannot be resected surgically, genetic testing is especially important because it can enable patients to take targeted drug therapy so that it can kill tumor cells while shrinking liver cancer tumors, thus fighting for the chance of surgery. Therefore, genetic test for liver cancer is also very important and necessary. Liver cancer patients should go to the hospital for examination in time and be treated under the guidance of doctors.