Abstract: The present invention relates to a touch pop-up stopper for basin drain which comprises a stopper assembly for draining (ON) or stopping (OFF) water which is fitted to the inside of a drain flange, wherein the stopper assembly includes a casing, a lift body, a turning body, a spring, a bottom casing, a cap and a sealing ring, and wherein an engaging member is created by means of the structure of longitudinal notches at the inner rim of the casing and disposed between a first slide way and a second slide way, and wherein the outer rim of the lift body is provided with protruding pieces corresponding to the longitudinal notches, and wherein a plurality of slide pieces fitted with a slant end at the top thereof and corresponding to protruding pieces are provided at the outer rim of the turning body; by means of the sliding and shifting movement of the three above-mentioned components and through an upward resilient force of the spring, the user only requires to give a slight force to the cap at the top of the li