A toilet seat, comprising: a main body ; a cover assembly detachably connected to the main body and rotatable with respect to the main body ; and a connecting mechanism arranged between the main body and the cover assembly ; and wherein the connecting mechanism is configured to detachably connect the cover assembly to the main body , and the connecting mechanism comprises: a bushing arranged in the main body , wherein the bushing and the main body form an engagement slot ; and a rotating shaft extendable and retractable with respect to the cover assembly , wherein an end of the rotating shaft is provided with an engagement portion , and in a case that the rotating shaft extends out with respect to the cover assembly , the engagement portion is in engagement with the engagement slot to fix the cover assembly to the main body ; characterized in that the engagement slot has a main body portion formed by the main body and the main body portion is provided with a first beveled opening . the first beveled opening is arranged in a detachment direction of the engagement slot , and in a case that the rotating shaft moves upward in the detachment direction along with the cover assembly , the first beveled opening is configured to guide the rotating shaft to retract into the cover assembly . a main body ; a cover assembly detachably connected to the main body and rotatable with respect to the main body ; and a connecting mechanism arranged between the main body and the cover assembly ; and wherein the connecting mechanism is configured to detachably connect the cover assembly to the main body , and the connecting mechanism comprises: a bushing arranged in the main body , wherein the bushing and the main body form an engagement slot ; and a rotating shaft extendable and retractable with respect to the cover assembly , wherein an end of the rotating shaft is provided with an engagement portion , and in a case that the rotating shaft extends out with respect to the cover assembly , the engagement portion is in engagement with the engagement slot to fix the cover assembly to the main body ; characterized in that the engagement slot has a main body portion formed by the main body and the main body portion is provided with a first beveled opening . the first beveled opening is arranged in a detachment direction of the engagement slot , and in a case that the rotating shaft moves upward in the detachment direction along with the cover assembly , the first beveled opening is configured to guide the rotating shaft to retract into the cover assembly . a bushing arranged in the main body , wherein the bushing and the main body form an engagement slot ; and a rotating shaft extendable and retractable with respect to the cover assembly , wherein an end of the rotating shaft is provided with an engagement portion , and in a case that the rotating shaft extends out with respect to the cover assembly , the engagement portion is in engagement with the engagement slot to fix the cover assembly to the main body ; characterized in that the engagement slot has a main body portion formed by the main body and the main body portion is provided with a first beveled opening . the first beveled opening is arranged in a detachment direction of the engagement slot , and in a case that the rotating shaft moves upward in the detachment direction along with the cover assembly , the first beveled opening is configured to guide the rotating shaft to retract into the cover assembly . <EOS>