To provide a fiber product excellent in deodorizing performance to ammonia, mercaptan or the like and washing durability, especially suitable for fiber product for nursing care durable, to repeated washing.

The fiber product is equipped with deodorizing function obtained by carrying out an ester crosslinking of the fiber product principally composed of cotton fibers with a polycarboxylic acid and then making the fiber product to support a metal/metal salt selected from zinc, iron, copper, aluminum, cobalt and silver.