通过对“变蒸”学说的产生、发展和否定及与现代心理测定的比较,阐述了“变蒸”学说的优劣性,提示一个学科的产生和发展需要不懈努力,并经过实践检验,更偏纠错,才能日臻完善。 Through the comparison of the emergence, development and negation of “steaming ” theory and the comparison with modern psychology, the advantages and disadvantages of “steaming ” theory are expounded, which implies that the production and development of a discipline need unremitting efforts, and after Practice test, more error correction, can be improved.