The presence of red, swollen blisters after tuberculosis screening suggests a strong positive tuberculin test result. The patient should go to the local hospital or CDC to get a clear diagnosis and treatment. 1. Definitive diagnosis: The presence of red and swollen blisters after tuberculosis screening suggests that there is a high probability of having tuberculosis, and patients should go to the local hospital or CDC to complete the examination of sputum smear, sputum culture, chest CT, etc., and make a definitive diagnosis of tuberculosis in combination with the clinical symptoms. 2. Anti-tuberculosis treatment: If all other test results are positive and the diagnosis of tuberculosis is clear, anti-tuberculosis treatment should be started under the guidance of a doctor. At present, the first-line anti-tuberculosis drugs are rifampicin, isoniazid, ethambutol, pyrazinamide and streptomycin. Tuberculosis is contagious, in daily life should pay attention to isolation, disinfection, to avoid infecting others, regular medication, regular re-examination, to be sputum negative by the doctor’s comprehensive assessment can be lifted after isolation. Drugs need to be used under the guidance of a professional physician. Do not use medication on your own.