A frozen sample holder having an identification ring, comprising an identification ring structure and a frozen sample holder structure, wherein the identification ring structure is connected with an outer wall of the frozen sample holder structure; and the identification ring structure comprises an identification segment, wherein the identification segment is configured to be marked with information of a sample in the frozen sample holder structure, wherein the identification ring structure comprises an identification ring body and an identification plate, wherein the identification ring body and the identification plate are connected with each other; the identification ring body is provided with an accommodating space, and the frozen sample holder structure is at least partially accommodated in the accommodating space and is connected with the identification ring body; and the identification segment is provided on a face of the identification plate at the same side relative to a face where the frozen sample holder structure is placed, wherein the frozen sample holder structure comprises a frozen sample holder body and a clamping groove, and the clamping groove is arranged along a circumferential direction of the frozen sample holder body; wherein the frozen sample holder body comprises a groove body and a boss, the groove body and the boss are arranged coaxially, a plurality of groove bodies and a plurality of bosses are provided, and the plurality of groove bodies and the plurality of bosses are alternately arranged from outside to inside in a surrounding manner, characterized in that: the identification ring structure further comprises a plurality of fixture blocks, wherein the plurality of fixture block is connected with the identification ring body, located in the accommodating space, and distributed at an equal interval along a circumferential direction of the accommodating space, and the plurality of fixture blocks are snapped in the clamping groove so as to connect the frozen sample holder body with the identification ring body, and a bottom surface of the groove body is inclined in a direction towards a center from an edge of the frozen sample holder body. the identification ring structure comprises an identification segment, wherein the identification segment is configured to be marked with information of a sample in the frozen sample holder structure, wherein the identification ring structure comprises an identification ring body and an identification plate, wherein the identification ring body and the identification plate are connected with each other; the identification ring body is provided with an accommodating space, and the frozen sample holder structure is at least partially accommodated in the accommodating space and is connected with the identification ring body; and the identification segment is provided on a face of the identification plate at the same side relative to a face where the frozen sample holder structure is placed, wherein the frozen sample holder structure comprises a frozen sample holder body and a clamping groove, and the clamping groove is arranged along a circumferential direction of the frozen sample holder body; wherein the frozen sample holder body comprises a groove body and a boss, the groove body and the boss are arranged coaxially, a plurality of groove bodies and a plurality of bosses are provided, and the plurality of groove bodies and the plurality of bosses are alternately arranged from outside to inside in a surrounding manner, characterized in that: the identification ring structure further comprises a plurality of fixture blocks, wherein the plurality of fixture block is connected with the identification ring body, located in the accommodating space, and distributed at an equal interval along a circumferential direction of the accommodating space, and the plurality of fixture blocks are snapped in the clamping groove so as to connect the frozen sample holder body with the identification ring body, and a bottom surface of the groove body is inclined in a direction towards a center from an edge of the frozen sample holder body. the identification ring structure further comprises a plurality of fixture blocks, wherein the plurality of fixture block is connected with the identification ring body, located in the accommodating space, and distributed at an equal interval along a circumferential direction of the accommodating space, and the plurality of fixture blocks are snapped in the clamping groove so as to connect the frozen sample holder body with the identification ring body, and a bottom surface of the groove body is inclined in a direction towards a center from an edge of the frozen sample holder body.