Liver cancer can be diagnosed through imaging examination, hematology examination and pathology examination. 1. Imaging examination: ultrasound, CT, MRI and other examinations can be used to identify the nature, number and size of the tumor, and help to judge the relationship between the tumor and the surrounding tissues, and observe whether there is any invasion. 2. Hematological examination: to determine whether there is hepatocellular carcinoma by detecting alpha-fetoprotein, if AFP>400ng/ml, there may be hepatocellular carcinoma; hepatitis virus screening, to check whether there is viral hepatitis such as Hepatitis B and Hepatitis C, etc. Liver function, blood routine, coagulation routine, etc. can help to determine the functional status of liver. 3. Pathological examination:Liver puncture biopsy can be used to confirm the diagnosis of liver cancer. Liver puncture is a traumatic examination, which may have the risk of bleeding or metastasis. The above tests can help to diagnose the disease. It is recommended to actively cooperate with the treatment under the doctor’s guidance, keep a good work and rest schedule, get enough sleep, and have an optimistic mindset in order to achieve a better therapeutic effect.