A portable dustpan structure for cleaning pet excrement includes: a box body, a tubular member, a shaft and two roller units. The tubular member is pivotable relative to the box body to move between the upright position and the lie-flat position. When the tubular member is in the upright position, the mouth of the box body is upwards, the pet excrement won't fall out, and it can save space for easy storage. When the tubular member is in the lie-flat position, the pet owners can rake the pet excrement into the box body via the mouth so as to achieve of the purpose of cleaning. The dustpan further includes two roller units, so that the pet owner can move the dustpan by pulling the shaft, thereby improving the comfort of carrying object, moving without lifting, making the dustpan easy to carry and saving effort.
