The disclosure relates to a needle-guiding device for a skin pricking device, comprising a base body, a skin pricking needle (3) and a needle channel (14), which is formed in the base body and in which the skin pricking needle (3) is arranged, wherein the skin pricking needle (3) can be moved back and forth repeatedly in the needle channel (14) along a movement path, wherein a channel wall (17) of the needle channel (14) has proximal guide wall sections (18) with respect to the skin pricking needle (3), on which the skin pricking needle (3) comes to rest for the needle guidance in response to the back and forth movement, and has distal wall sections (19), which are recessed relative to the proximal guide wall sections (18) and which are free from a direct contact with the skin pricking needle (3) in response to moving the skin pricking needle (3) back and forth in the needle channel (14). A skin pricker is furthermore provided.