Purpose This study checked the present conditions of looking into self-checking questionnaires for indentifing Sasangin. And then it will give key knowledges of developing new questionnaires. Method The 22 papers reported in journals from 1986 to 2003 were analysised on each purpose, method, subjects, and results. Result On questionnaires for indentifing Sasangin(I) have been written a paper of reliability, a paper of validation, and a paper of comparison of responses. On QSCC have been written 2 papers of validation, and 2 papers of comparative validation with other questionnaires. On QSCC II have been written a paper of reliability, 2 papers of validation, and 2 papers of comparison of responses, a paper of standardization, a paper of comparison of another questionnaires, and a paper of simple questionnaires. On QSCC III have been written a paper of validation, and a paper of comparison of responses, a paper of comparison of another questionnaires. On QSCC II + have been written 3 papers of reliability and a paper of comparison of another questionnaires. After analying, the problems were two. One was the subject problem, the size (2 papers ; 9%) and homeostasis age/sex (13 papers ; 59%). Qnother was the constitution problem, 4 constitutions (20 paper ; 90.9%) and identifying indicator (17 papers ; 77.3%).