The present invention relates to a diaper having a removable waistband, the diaper comprising: a first diaper body disposed in a front-belly region with reference to a waist； removable waistbands, which are connected to both sides of the first diaper body, are made of a stretchable material and can be removed along a perforated line formed between the first diaper body and a removable waistband； a waistband Velcro disposed on an end part of each of the removable waistbands； a second diaper body connected to the first diaper body and disposed in a rear-buttocks region with reference to the waist； coupling wings connected to both sides of the second diaper body； a coupling wing Velcro disposed on an end part of each of the coupling wings； and a corrugated connection portion connecting the first diaper body and the second diaper body in a corrugated form.
