Tuberculosis tumor three centimeters need surgery. Tuberculosis tumor is a special manifestation of tuberculosis, not a real tumor, mainly due to the evolution of secondary tuberculosis in the lungs and the formation of tuberculosis tumor three centimeters, proving that the lesion is relatively large, at this time the need for surgical resection treatment, so as not to aggravate the condition of the disease, so three centimeters of tuberculosis tumors need to be operated. It should be noted that if the tuberculosis tumor is less than three centimeters, no surgery is needed, and the patient can take isoniazid tablets, rifampicin tablets, or ethambutol hydrochloride tablets and other medications under the guidance of a professional doctor for treatment. Family members should always accompany the patient and give him/her enough confidence, so that he/she can maintain a good attitude and actively cooperate with the doctor for treatment. The patient should go to the hospital for regular checkups, and if there is any abnormality, the patient should consult the doctor immediately.