The dietary principles of tuberculosis in the elderly are high calorie, high quality protein, high fiber, and pay attention to the salt intake. Specifically as follows: 1, supplement high-quality protein: to improve the body’s immunity, you need to supplement sufficient high-quality protein every day, such as lean meat, eggs, milk, etc.; 2, supplement sufficient calories: tuberculosis is a consumptive disease, caloric consumption than normal, food should be diversified, coarse and fine grains should be reasonably matched; 3, supplement vitamins and calcium: eat fresh vegetables and fruits every day, and try to eat less salted vegetables, waxed vegetables, altar vegetables, etc.; 4, stop coughing and dissolve phlegm, moisten the lungs. 4, cough and phlegm, nourish Yin and moisten the lungs food: you can eat lily, sugar lotus, lotus seeds, pears, walnuts and other foods. When coughing up blood, it is not recommended to take ginseng, red dates, dog meat and other foods with the nature of blood activation, blood tonic; 5, the diet should be light, easy to digest, eat less and more meals, do not be partial to food diversification, spicy, stimulating food is best to avoid; 6, according to the different anti-tuberculosis drugs taken, to avoid eating. Patients taking pyrazinamide should not eat soy products and seafood, and pay attention to low purine diet; patients taking oral rifampicin should not drink tea, milk and rice soup at the same time; 7. Patients with drug-related liver disease should avoid fatty meat, lard and animal offal.