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.