Therapeutic Effects and Long-term Follow-up After Ending Nucleos(t)Ide Analogs Therapy in Chronic Hepatitis b

Inclusion Criteria: 1. Patients received anti-HBV therapy with nucleos(t)ide analogs. 2. Last anti-HBV therapy should continue for at least 2 years. 3. For HBeAg positive patients, HBV DNA should keep negative for at least 1 year after HBeAg seroconversion before the therapy ending; for HBeAg negative patients, HBV DNA should keep negative for at least 2 years before the therapy ending. Exclusion Criteria: 1. Liver cirrhosis, HCC; 2. Patients with other factors causing active liver diseases; 3. Pregnancy or lactation; 4. Patients with HIV infection or congenital immune deficiency diseases; 5. Patients with severe diabetes, autoimmune diseases, other important organ dysfunctions and other serious complications.