Disclosed herein is a technology for adsorbing a liquid pine rosin containing a pine rosin which is a natural antimicrobial substance, in a fiber woven raw cloth (10) or a nonwoven raw cloth (20) or a sewed and finished fiber product (300), wherein the disclosed pine rosin adsorption apparatus may include a storing container (80) for storing a liquid pine rosin (30), a liquid adjusting unit (100) for adjusting the input amount of the liquid pine rosin (30), a sealed spraying device (90) for spraying the liquid pine rosin in cooperation with the storing container (80), and a cold and warm air blowing device (120) for vaporizing an ethanol (110) contained in the liquid pine rosin (30), wherein the raw material of the liquid pine rosin (30) is adsorbed into the natural or synthetic fiber woven raw cloth (10) or the nonwoven raw cloth (20).