Radiologic tuberculous spondylitis from 7 months old to 16 years old during past 6 years from the 1970 through 1975, was studied and analysed. 1. The youngest one was 7 months old male infant. He had active tuberculous spondylitis in thoracolumbar spines. 2. The ratio of male to female was 1.1 : 1. 3. The most common site of involved vertebrae was thoracic spine 36%, the next were lumbar 35%, and thoracolumbar 12%. 4. The most common roentgenographic findings were intervertebral space narrowing 84%, kyphosis (75%), cold abscess (65%), and collapse(60%). 5. The incidence of lytic type is 65%, mixed type 24%, and sclerotic type 11%. 6. The incidence of central type, wedging of vertebral body is 61%, undetermind 15%, intervertebral type 13%, anterior type 11%. 7. The greatest number of involved vertebar was two areas 46%, next were more than three areas 42%, and one area 12%.