It's not unusual to meet a child with dental fear in our daily practice.It is an important issue toprevent child's dental fear and to help those children to face their fear during dental treatment.Wetry to find out the causes of fear and the responses of the body to fear based on psychologicaltheories.Fear is caused by conditioned reflex or wrong cognition.A child's dental fear was mostlydue to previously negative medical experiences,while maternal dental anxiety passing onto the childseems to be of less importance.In this article,we discuss the clinical problems to which child'sdental fear leads,and introduce some clinical methods for managing child's dental fear.(Taiwan JPediatr Dent 3(4):187-193,2003)