Commonly used liver-protecting drugs include ShuiLinJia, YiShanFu, liver protection tablets, etc. Anti-tuberculosis drugs taken orally for pulmonary tuberculosis, the most common side effect is liver function damage.1, if the patient only manifests simple transaminase elevation, only need to take liver-protecting drugs.2, if the patient appears to have elevated bilirubin, the patient needs to stop the liver function damage drugs, in addition to liver function damage, the patient will sometimes also appear renal function damage, In addition to hepatic impairment, patients may also suffer from renal impairment, optic nerve damage, and peripheral neuropathy, etc. 3. If the patient has peripheral neuropathy, the patient can take additional nerve-nourishing drugs, such as vitamin B1, vitamin B12, and methylcobalamin, etc. 4. If the condition is serious, the drugs that cause peripheral neuropathy can be stopped. If the patient has damage to the optic nerve or kidney function, the relevant drugs need to be discontinued.