The purpose of this research is to study the validity and reliability of the Preschool Anxiety's Scale in a wide Turkish sample according to the age group of 3, 4 and 5 years. 302 of the 918 children participated in the research aged 3 years, 303 are in the age group of 4 and 313 are in the age group of 5. The scale is based on parent's assessment for preschool children aged 3-5 years, the descriptive method was used in the study. During the development process of the scale, 6 experts were consulted for the form that provided the language equality. The Construct validity was also determined based on AFA and DFA. The Corrected item-total correlations and Cronba's Alpha reliability coefficient were calculated in order to determine the reliability of the scale. The KMO and the Barlett test have showed that the factor analysis is suitable for the data set. Within the context of confirmatory factor analysis 28 items and 5 dimensions including in the Anxiety Scale for Preschool Children have been verified with the data obtained in the scope of the research. In accordance with the data obtained from the parents of children aged 3, 4 and 5 years it was determined that the general anxiety, social anxiety, fear of social injury, separation anxiety, the sub-dimensions of the obsessive compulsive disorder and the score obtained from the scale were reliable. The Reliability levels of the overall scale and the sub-factors were found to be sufficient. The scale was found to be reliable and valid by the results acquired in the research. At the end of the study it was found that the scale has the characteristics of being used independently in each group.