The invention relates to a closestool and particularly relates to a normally-unclogged closestool with a self-uplifted gasket. The closestool comprises a closestool seat, a closestool seat water tank,a closestool gasket, a closestool cover and a closestool gasket uplifting structure, wherein the closestool gasket uplifting structure comprises a driving spring, a floater movement guide channel communicated with the closestool seat water tank, a weight balancing floater and a floater gate; the floater movement guide channel comprises an abaxial end vertical section, a paraxial end vertical section, a lower section and an upper section; the lower section is tilted in a manner of enabling one end close to a hinged shaft to be high and the other end to be low; the upper section is tilted in amanner of enabling one end close to the hinged shaft to be low and the other end to be high; the floater gate comprises a teeterboard; a water bowl is arranged on the teeterboard; the closestool coveris provided with an apron board capable of completely covering the closestool gasket. The closestool has the advantages that the closestool cover is capable of completely covering the closestool gasket and the gasket is self-uplifted; the problems that the closestool cover is incapable of covering the closestool gasket and the closestool gasket needs to be manually lifted up of the existing closestool are solved.