Infants infected with Mycobacterium tuberculosis require a combination of etiologic factors. If it is old tuberculosis, conservative treatment can be chosen. If it is active tuberculosis, anti-tuberculosis treatment should be chosen as soon as possible. Old tuberculosis: If it is calcified tuberculosis foci, you can usually choose conservative treatment, do not need to choose drug treatment, carefully observe the condition. Active tuberculosis: If the tuberculosis is active and the sputum test reveals the presence of tubercle bacilli, you need to receive anti-tuberculosis treatment immediately, and you can use a combination of rifampicin, ethanol butylamine, and isoniazid under the guidance of your doctor. The treatment of infants infected with tuberculosis bacilli needs to be combined with the actual cause of the disease, in the treatment of the need to select a regular hospital, pay attention to infants try not to choose to use streptomycin drugs to fight tuberculosis, so as to avoid side effects, endangering health.