This study is a retrospective study. Enrollment study. Enrolled in the Department of Hepatology, Beijing Ditan Hospital, Capital Medical University, Department of Liver Histology, Department of Hepatology, Chronic HBV HBV infection. The data collected included patient gender, . The data collected included patient gender, . The data collected included the patient's gender, age, HBV age of infection, past family history, etc., the age of the collected subjects, the current family history, etc., the liver histopathological diagnosis information collected in the group, and the liver disease examination Clinical toxicities and indicators, including serological diagnostic information, clinical toxicities and indicators for liver disease tests, including serological diagnostic information, clinical toxicities and indicators for liver disease tests, including serum HBV DNA HBV DNAHBV DNAHBV DNA HBV DNA content, HBsAg/HBsAg/HBsAg/HBsAg/anti-HBsHBsHBs, HBeAg/HBeAg/HBeAg/HBeAg/HBeAg/anti-HBe content, biochemical indicators coagulation function and routine data. Content, biochemical indicators, coagulation function and routine data. Content, biochemical indicators, coagulation function and routine data. Observe patient demographic data, HBV DNA HBV DNAHBV DNAHBV DNA HBV DNA content, HBsAg/HBsAg/HBsAg/HBsAg/HBsAg/anti-HBsHBsHBs, HBeAg/HBeAg/HBeAg/HBeAg/HBeAg/HBeAg/anti-HBe HBe content, biochemical indicators, coagulation Correlation between function and routine, coagulation function and conventional indicators and liver histological changes. Explore the relevance of effective diagnosis of liver changes. To explore the characteristics of clinical indicators that can effectively diagnose liver histopathological changes, and to provide clinical indicators for patients with chronic hepatitis B to receive timely treatment of histopathological changes, and provide important evidence for patients with chronic hepatitis B to receive timely treatment.

This study is a retrospective study. Enrollment study. Enrolled in the Department of Hepatology, Beijing Ditan Hospital, Capital Medical University, Department of Liver Histology, Department of Hepatology, Chronic HBV HBV infection. The data collected included patient gender, . The data collected included patient gender, . The data collected included the patient's gender, age, HBV age of infection, past family history, etc., the age of the collected subjects, the current family history, etc., the liver histopathological diagnosis information collected in the group, and the liver disease examination Clinical toxicities and indicators, including serological diagnostic information, clinical toxicities and indicators for liver disease tests, including serological diagnostic information, clinical toxicities and indicators for liver disease tests, including serum HBV DNA HBV DNAHBV DNAHBV DNA HBV DNA content, HBsAg/HBsAg/HBsAg/HBsAg/anti-HBsHBsHBs, HBeAg/HBeAg/HBeAg/HBeAg/HBeAg/anti-HBe content, biochemical indicators coagulation function and routine data. Content, biochemical indicators, coagulation function and routine data. Content, biochemical indicators, coagulation function and routine data. Observe patient demographic data, HBV DNA HBV DNAHBV DNAHBV DNA HBV DNA content, HBsAg/HBsAg/HBsAg/HBsAg/HBsAg/anti-HBsHBsHBs, HBeAg/HBeAg/HBeAg/HBeAg/HBeAg/HBeAg/anti-HBe HBe content, biochemical indicators, coagulation Correlation between function and routine, coagulation function and conventional indicators and liver histological changes. Explore the relevance of effective diagnosis of liver changes. To explore the characteristics of clinical indicators that can effectively diagnose liver histopathological changes, and to provide clinical indicators for patients with chronic hepatitis B to receive timely treatment of histopathological changes, and provide important evidence for patients with chronic hepatitis B to receive timely treatment.

Inclusion Criteria:

• 1) Age between 18 and over 65;
• 2) gender is not limited;
• 3) Patients with chronic HBVHBVHBV infection: all meet the diagnostic criteria of China's Guidelines for the Prevention and Treatment of Chronic Hepatitis B (: all meet the diagnostic criteria for the Chinese Guidelines for the Prevention and Treatment of Chronic Hepatitis B (2015), HBsAg HBsAg HBsAg positive for 6 months Month;
• 4) Sign the written informed consent.Exclusion Criteria:

Exclusion Criteria:

• 1) Combine other hepatitis viruses (HCV (HCV, HDV, HDV) infection;
• 2) autoimmune liver disease;
• 3) HIVHIV HIV infection;
• 4) long-term alcohol abuse and / or other liver damage drugs;
• 5) mental illness;
• 6) Evidence of liver tumors (cancer or AFP AFP>100 ng/ml 100 ng/ml 100 ng/ml 100 ng/ml);
• 7) decompensated cirrhosis.

Patients with chronic HBVHBVHBV infection: all meet the diagnostic criteria of China's Guidelines for the Prevention and Treatment of Chronic Hepatitis B (: all meet the diagnostic criteria for the Chinese Guidelines for the Prevention and Treatment of Chronic Hepatitis B (2015), HBsAg HBsAg HBsAg positive for 6 months Month;