There is no one-size-fits-all answer to this question, as the best way to fix a slippery wood floor will vary depending on the type of floor, the amount of moisture present, and the severity of the problem. However, some tips on how to fix a slippery wood floor include using a water bottle to Splash water onto the floor to help keep it clean, using a vacuum cleaner to suck up any moisture present, and using a floor cleaner to clean the floor and remove any trapped moisture.