Patients taking anti-tuberculosis drugs cause blurred vision, patients can stop the drug under the guidance of the doctor and give a large amount of vitamin B6 treatment, the specific treatment is related to the patient’s condition. Tuberculosis is a chronic infectious disease caused by Mycobacterium tuberculosis, the main drugs used in the clinic are isoniazid, rifampicin, ethambutol and so on, and the drugs that may damage the vision are mainly isoniazid and ethambutol. A common adverse reaction to isoniazid is peripheral neuritis, and patients may develop optic neuritis affecting vision; patients should follow medical advice to supplement vitamin B6 to improve vision. Ethambutol is generally safer in therapeutic amounts, but continuous use of large amounts for 2-6 months can produce serious toxic reactions, such as retrobulbar optic neuritis caused by patients with visual impairment. Patients need to discontinue the drug under medical supervision and use large amounts of vitamin B6 as prescribed by the doctor to improve vision. It is recommended that patients take anti-tuberculosis drugs as prescribed by the doctor, and when discomfort occurs, consult a doctor promptly to assess the condition and follow the doctor’s instructions.