A water absorbing and drying cleaner comprises a washing apparatus and a drying apparatus, wherein the washing apparatus and the drying apparatus are mounted in the casing of the water absorbing and drying cleaner, a drying inlet in the drying apparatus and a washing inlet in the washing apparatus are provided at the bottom of the water absorbing and drying cleaner along the progressive direction in washing, and the drying inlet is located behind the washing inlet. The invention has the features of novel in structure, clean in washing and fast in drying, can kill the acarids and other bacteria on the carpet or wooden floor to perform sterilization.