The invention provides a jig head, a fish hook for the jig head, and a weight for the jig head. No matter how big a target fish is, the hook and weight can be selected and combined freely and can be replaced through simple operation. The jig head is provided with a fish hook and the weight integrated with the fish hook. The fish hook is provided with a bent part which is connected with a hook handle part and shaped like U. The bent part is provided with a U-shaped fishline clamping part, and a hook hanging part which is opposite to the U-shaped fishline clamping part, located at the opposite side of the hook handle part, and bent outwards from a U-shaped zone. The weight is provided with a through hole which is pressed into the bent part, and a hook storage part which is used for storing and fixing the hook hanging part. The size of the through hole is a size of enabling the fishline clamping part to passing through the elastic deformation and narrowing of the bent part. When the hook hanging part is accommodated in the hook storage part, the fishline clamping part is bulged till the bulged part of the fishline clamping part is suitable for the tying of a fishline.
