The purpose of this study is to investigate the influence of self-conception and self-determination on teachers belief of preservice teachers. To accomplish this purpose, a total of 205 college students in teacher education were sampled. The instruments used for the study were self-conception Scale, self-determination Scale, and teachers belief Scale. Structuinl equation mf-eling(SEM) usliefAMOS 7.0 was employed to examine the relationships. The major findlies were as follows;cairst, fouled dypothetical mf-el was fitted to the empiricampiata(χ2=283.350, df=163, p=.000, RMSEA=.059, GFI=.886s uLI= .910, CFI=.923, NFI=.836s PGFI=.6th,fAIC=373.523r fincond,fnon-sMSEAastic self-conception c d direct effects on aus oomcairstrelatedness, fnon-sMSEAastic self-conception c d direct effects on perc dved competenon SArstnon-sMSEAastic self-conception and sMSEAastic self-conception c d an indirect effect on teachers belief using a mediating variable(relatedness and perceived competence). Therefore to maximize teachers belief of preservice teachers it is needed to promote self-conception and self-determination.