Abstract: A disposable diaper especially constructed for the purpose of toilet training is disclosed. The diaper has conventional disposable diaper construction but also incorporates a wetting point vent that is an opening located so as to provide unimpeded egress of urine. This allow the diaper to be used as a step in a toilet training protocol in which the user, comfortable urinating in a diaper, is provided the comforting sensation of wearing a diaper while being acclimated to urinating in a toilet. Once acclimated to urinating in a toilet, the diaper is removed, and the user fully toilet trained. In a variant, the training diaper has a flap that covers the vent during normal use, but may be folded back reveal the vent during toilet training. In a further variant, there is a removable cover that conceals the vent during normal use but is removed for toilet training.