The utility model relates to a teaching appliance, in particular to powder-inadhesive chalk, which comprises a chalk container and chalk. The powder-inadhesive chalk is characterized in that the bottom of the chalk container is threadedly connected with a rotating disk. A telescopic rod is fixed to the central section of the rotating disk. The upper end of the telescopic rod is equipped with a notch for fixing the chalk. The inner wall of the upper end of the chalk container is equipped with an antiskid rubber ring. The powder-inadhesive chalk is simple in structure, convenient and practical. During use, the powder-inadhesive chalk will not smear hands and can still be used even when the chalk is very short in length, so that the resource is saved. Meanwhile, the chalk can be fully utilized. The powder-inadhesive chalk is suitable for being widely popularized and utilized.