The psychological scales are used to help the researchers to understand and predict with the human’s behavior, While observing and measure that behavior, And in that current scale we interested in observing then measure preschooler’s behavior problems, and for that Purpose the researcher designed that scale, and it is noted that the child with behavior problems is less adaptive in his community, so this scale for observe and identify the child`s behavior problem, and also for intervene to help him feel more adaptive, and the scale included five behavioral problems (Stubbornness, Hyperactivity, Aggression, Lying, Anger) addressing the different aspects and images that express the behavior that constitutes each behavioral problem separately, distributed over (75) statements in a circular manner, to answered about it by the mother, father, teacher, or one of the individuals who accompany the child at many times according to four parallels (always, sometimes, rarely, never), depending on child`s behavior which has been observed, and the sample included (60) males and females preschoolers in age (4-6) years, they were obtained from nurseries in the Sixth of October City, and from the cases who attended the behavior modification clinic at Souad Kafai University Hospital. and the result improved that the scale has acceptable psychometric properties, which makes it a valid tool for use and measures the goal for which it was designed.