| In order to prevent, control and purify the tuberculosis in dairy cows in our city, the purified cattle-type tuberculin (PPD) intraskin allergic reaction diagnosis was used to carry out the epidemiological investigation of tuberculosis in dairy cows. The results show that the stable shed dark damp, poor ventilation, no outdoor playground, long-term captivity, easy to cause the body resistance reduction, induce cow tuberculosis, 11 dairy farmers, 6 because of this environment was tested tuberculosis positive cattle 14; 4 dairy buffalo farmers 360 dairy buffalo without infected tuberculosis, indicating that |