PURPOSE: A sinker for fishing is provided to reduce environmental pollution while maintaining the function of a sinker. CONSTITUTION: A sinker for fishing comprises a sinker main body including mineral； and a biodegradable resin layer coating the whole surface of the sinker. The mineral is natural mineral. The specific gravity of the mineral is 2-5. The mineral is one or more selected from barite, quartz, muscovitum, amphibole, forsterite, enterolith, and pyroxene. The sinker main body is formed by compressing the mineral. The sinker main body is formed by compressing the mineral after additionally adding one or more binders selected from starch, PVA or PVP, into the mineral.본 발명은 광물을 포함하는 봉돌 본체； 및 상기 봉돌 본체 표면을 코팅하는 생분해성 수지층을 포함하는 낚시용 봉돌을 제공한다. 본 발명의 낚시용 봉돌은 낚시 중 봉돌 자체 기능을 유지하며, 환경오염을 줄일 수 있다는 효과를 갖는다.
