Abstract: A conventional wiper blade has such drawbacks that during the wiper portion is moved on the surface of the windshield in order to remove rainwater etc. attached on the surface of the windshield, the rainwater etc. trapped by the wiper portion flows from a free end portion of the wiper portion to the surface of the windshield by the centrifugal force applied to the trapped rainwater etc., so that the visibility of the windshield is lowered. [Manner for solve the Task] The wiper device of the present invention comprises a wiper portion having a lip portion sliding on a surface of the vehicle windshield for wiping the surface of the windshield, and a rainwater reserving portion formed on one side surface of a tip end portion of the lip portion, the rainwater reserving portion being extending normally to and outwardly from one side surface of the tip end portion of the lip portion and having a concave rearward surface.