A textile machine configured to produce or process a synthetic fiber yarn, the textile machine comprising: a static-buildup part (18, 20); wherein the static-buildup part (18, 20) is a rotating body configured to rotate while being in contact with the yarn; the static-buildup part (18, 20) comprising: a high-speed feed roller configured to feed the yarn; and a low-speed feed roller provided downstream of the high-speed feed roller in a yarn running direction and configured to feed the yarn at a conveyance speed lower than that of the high-speed feed roller so that the yarn is relaxed between the high-speed feed roller and the low-speed feed roller, the high-speed and low-speed feed rollers functioning as the rotating body, characterized by an antistatic unit configured to remove static electricity from the static-buildup part (18, 20) at which the static electricity is generated due to the yarn running while being in contact with the static-buildup part (18, 20); wherein the antistatic unit is provided with respect to the rotating body; wherein the antistatic unit is provided with respect to at least the high-speed feed roller in a manner to prevent buildup of static electricity in the high-speed feed roller. a static-buildup part (18, 20); wherein the static-buildup part (18, 20) is a rotating body configured to rotate while being in contact with the yarn; the static-buildup part (18, 20) comprising: a high-speed feed roller configured to feed the yarn; and a low-speed feed roller provided downstream of the high-speed feed roller in a yarn running direction and configured to feed the yarn at a conveyance speed lower than that of the high-speed feed roller so that the yarn is relaxed between the high-speed feed roller and the low-speed feed roller, the high-speed and low-speed feed rollers functioning as the rotating body, characterized by an antistatic unit configured to remove static electricity from the static-buildup part (18, 20) at which the static electricity is generated due to the yarn running while being in contact with the static-buildup part (18, 20); wherein the antistatic unit is provided with respect to the rotating body; wherein the antistatic unit is provided with respect to at least the high-speed feed roller in a manner to prevent buildup of static electricity in the high-speed feed roller. a high-speed feed roller configured to feed the yarn; and a low-speed feed roller provided downstream of the high-speed feed roller in a yarn running direction and configured to feed the yarn at a conveyance speed lower than that of the high-speed feed roller so that the yarn is relaxed between the high-speed feed roller and the low-speed feed roller, the high-speed and low-speed feed rollers functioning as the rotating body, characterized by an antistatic unit configured to remove static electricity from the static-buildup part (18, 20) at which the static electricity is generated due to the yarn running while being in contact with the static-buildup part (18, 20); wherein the antistatic unit is provided with respect to the rotating body; wherein the antistatic unit is provided with respect to at least the high-speed feed roller in a manner to prevent buildup of static electricity in the high-speed feed roller.