The postgraduate freshmen from architecture specialty at T University in 2016 were tested with Chinese College Student Mental Health Scale to explore the mental health. The results showed that:(1) The overall mental health status of the postgraduate freshmen in architecture specialty is good, 91.2% of people temporarily without psychological problems; But there are still 4.7% of the freshmen that may be more serious psychological problems, need to focus on and further diagnosis. (2) Compared with other factors, the factor of obsessive personality tendency of postgraduate freshmen in architecture specialty relative to the most, psychological tendency and psychosexual disorders relative to the least. (3) The differences, postgraduate freshmen in architecture specialty, the male in psychological tendency and psychosexual disorders were worse than female, not-only children in the psychosexual disorders were worse than only children. Compared with liberal arts, impulsive personality tendency of postgraduate freshmen in architecture specialty was more serious.