To provide an inexpensive product capable of being easily processed, capable of being readily treated, and having functions for controlling noxious organisms comprising noxious insects such as slugs and snails, fungi such as molds.

This paper product (10) having organism-controlling functions contains copper as a component. The method for producing the paper product (10) having the organism-controlling functions comprises preparing a suspension (25) containing fibers for paper and the copper, pouring the suspension (25) into a molding box (34), dehydrating the poured suspension (37) to provide a wet solid (39), and drying the resultant wet solid (39).