The drawing figures are widely managed as an ideal instrument for self-expression. HFD test (Human Figure Drawing) is an abbreviated test which was developed with the aim to evaluate various psychological states, especially assessing the psychic status including psychiatric illness and personality state. Thus, the reliance on the drawings must be proven that it has no bias due to cognitive differences between subjects. In the present study it is demonstrated that drawing tests are influenced, to a certain extent, by the subject's cognitive style. Although the study was limited here, the results indicate the need for re-examination of the reliability limits of the Test.