The present invention provides a dynamic lamp device (10) comprising: a housing (100); a substrate unit (200) disposed on the housing; and a lamp unit (300) at least partially connected to the substrate unit (200) and configured to allow light emitted therefrom to exit the housing (100) toward the outside of the housing, wherein the lamp unit (300) comprises: one or more lamp light delivery units (320) disposed in the housing (100) and each having a predetermined length; a lamp light source unit (330) disposed at each of both ends of each of the lamp light delivery units (320) and configured to deliver light emitted therefrom to the lamp light delivery unit (320); and a control unit (20) configured to apply a light source control signal to the lamp light source unit (330) disposed at each of the both ends of the lamp light delivery unit (320) to change the intensity of light along the length of the lamp light delivery unit (320) to cause a predetermined intensity zone having a predetermined light intensity to be shifted along the length of the lamp light delivery unit (320), and a control method thereof.