People with diabetes have an increased probability of getting tuberculosis. Diabetes is an endocrine disease and tuberculosis is a disease of the respiratory system. Diabetic patients have a high concentration of sugar in their bodies, impaired metabolism, and poor nutrition, which provide favorable conditions for the growth and reproduction of tuberculosis bacteria. When blood sugar is not well controlled, TB is more likely to occur. The combination of tuberculosis and diabetes worsens the condition. The clinical manifestations of diabetes and tuberculosis are often confused with colds and pneumonia and are easily missed. Diabetic patients with poor blood sugar control, or coughing, coughing up sputum, night sweats, afternoon fever, etc., it is recommended to go to the hospital in a timely manner. In daily life, diabetic patients need to follow the doctor’s advice, timely treatment, and good control of blood sugar.