Forty three patients detected by symptomatic visit and died of active pulmonary tuberculosis were investigated on their social background factors. As to age of 43 cases, 17 cases (40%) were fortieth of fiftieth; namely in young productive age. Sixteen were male and 13 cases lived alone and thirteen cases had no regular occupation when they were admitted. Three were too serious to talk about their case histories. Among other 13 cases, none visited a hospital within three months from the appearance of their symptoms and 8 cases visited a hospital after six months or long from the appearance of their symptoms. Thus, the patient's delay was obvious, and this was actually the cause of death in this cases.