Taking tuberculosis drugs generally about a week may appear liver damage, individuals with better health, taking two weeks to a month may appear liver damage. Tuberculosis drugs generally refers to anti-tuberculosis drugs, including rifampicin, streptomycin, ethambutol, etc., has a good antibacterial effect on Mycobacterium tuberculosis, can inhibit the inhibition of Mycobacterium tuberculosis DNA reproduction as well as to prevent the synthesis of cell wall, inhibit the synthesis of mycobacterial acid, play a good bactericidal effect, there may be loss of appetite, nausea, vomiting and diarrhea of the symptoms of the taking of tuberculosis drugs during the treatment to be checked regularly for liver and kidney function, and avoid adverse reactions. Avoid adverse reactions. Drugs should be taken under the guidance of a doctor to avoid unnecessary damage to the body.