Drug-induced liver injury (DILI) is a common side effect in antituberculosis therapy, which interuputs the treatment of TB and leads to a higher proportion of Multidrug-Resistence TB(MDR-TB).The study primalily aims to observe the proportion of DILI in antituberculosis therapy. Furthermore, the secondary objective is to study the proportion of liver injury of based liver disase,liver failure and adjustment of chemotherapy in the obersevational study.

Drug-induced liver injury (DILI) is a common side effect in antituberculosis therapy, which interuputs the treatment of TB and leads to a higher proportion of Multidrug-Resistence TB(MDR-TB).The study primalily aims to observe the proportion of DILI in antituberculosis therapy. Furthermore, the secondary objective is to study the proportion of liver injury of based liver disase,liver failure and adjustment of chemotherapy in the obersevational study.

Inclusion Criteria:

• 1) Patients who are about to start anti-tuberculosis treatment 2) Male or female, age > 18 years old 3) Voluntary signing of "Subject Informed Consent Form"

Exclusion Criteria:

- 1)A history of taking anti-tuberculosis drugs within 6 months before the treatment; 2)Abnormal liver function before starting anti-tuberculosis treatment; 3)DILI at the time of enrollment. 4)Combined with malignant tumors (including hematological tumors), HIV infection, etc.

5) According to the investigator's judgment, patients who cannot complete this study or who cannot comply with the requirements of this study.

Patients who are about to start anti-tuberculosis treatment in the real world, including combined with different kinds of based disease, such as viral hepatitis,systematic infection,etc.