Abstract: A pet water bottle includes a shell, a triggering member, a transmission member and a first sealing member. A cavity for water storage is formed inside the shell, a first recessed region is formed on an outer surface of the shell, and a first through hole communicating with the cavity is arranged on an inner wall of the first recessed region; the first sealing member is arranged in the cavity, at least part of the transmission member is fixed inside the cavity, and the first sealing member is fixed onto the transmission member; the first through hole is in contact with and fully covered by the first sealing member; at least part of the triggering member is fixed outside the shell, and the triggering member and the transmission member are spaced apart from each other; the triggering member is capable of moving in a direction close to the transmission member.