Tuberculosis is a respiratory tract infection. During the active stage of TB, patients have symptoms such as low fever, wasting, weakness, poor appetite and cough: as well as fast blood sedimentation, infiltrative or hemorrhagic disseminated lesions on lung examination and positive sputum examination for TB bacilli. During this period, the patient needs adequate rest, timely treatment and increased nutrition in order for the lesions to gradually absorb and improve. If the active period of marriage, will bring the following five aspects of harm: 1, at this time to get married, will be infected with the disease to each other. 2, newlywed, emotional excitement, overworked, will make the disease aggravated, especially female patients. 3, pregnancy is not good for tuberculosis, pregnancy after marriage, pregnancy can increase the burden on the body organs, early pregnancy reactions can affect the supply of nutrients, as the fetus grows maternal nutritional needs increase, more will reduce resistance. Tuberculosis can also be affected during childbirth, such as a sudden drop in abdominal pressure after delivery and expansion of the lungs, which can become a trigger for the recurrence of the original resting or healing lesions. 5, harmful to eugenics, such as anti-TB drugs such as streptomycin can cause fetal toxicity through the placenta, resulting in deafness or balance disorders in newborns. For these reasons, young men and women with active TB should not marry. At present, there are a large number of anti-TB drugs such as streptomycin, isoniazid, para-aminobutyric acid sodium, rifampin, etc., which can cure most new patients after one to one and a half years of treatment, and their relapse rate is also very low. Therefore, young people with tuberculosis should be treated early. Marriage is usually possible after TB is cured.