Abstract: The present invention relates to a device for preventing a fish hook from snagging on the bottom, the device comprising: an eye insertion part (100) made from a soft material having an excellent elasticity, such that a hook eye (11) to which a fishing line (20) is tied is inserted therein; a line guide part (110) through which the fishing line (20) passes, and which is made from the same material as that of the eye insertion part (100), maintains, at the upper end of the eye insertion part (100), a state of being bent in an “inverted L” shape and is stretched so as to form a “straight” shape in conjunction with the eye insertion part (100) when a hookset is performed with the fishing line (20); and a snagging prevention piece (200) of which both ends (210) maintain a state, in which the both ends thereof are opened into a “V” shape over the hook point (13) of a fish hook (10) hooked into the eye insertion part (100), at both side surfaces of a front edge part (120) at which the eye insertion part (100) and th