A bracket for a thrombelastography device, comprising: a fixed support part, a movable support part, and a connection part, wherein the connection part comprises a first fixing connection member and a second fixing connection member, the first fixing connection member is fixedly connected to the fixed support part; the second fixing connection member is fixedly connected to the movable support part; the first fixing connection member is connected to the second fixing connection member in a one point contact fashion, such that the first fixing connection member and the second fixing connection member can rotate relative to each other; the movable support part is configured to be fixedly connected to a supported object to be supported by the bracket; characterized in that the fixed support part is of a support structure that comprises two longitudinal beams and two crossbeams fixedly connected between the two longitudinal beams, wherein a through hole is formed between the two crossbeams; the movable support part passes through the through hole and is connected to the crossbeam in the middle of the support structure by means of the connection part; and the bracket is configured such that when driven by the supported object, the movable support part rotates relative to the fixed support part by means of the one point contact between the first fixing connection member and the second fixing connection member; wherein the movable support part is of a regular quadrangular frame structure having a through hole in the middle, and comprises a first crossbeam, a second crossbeam, a first longitudinal beam and a second longitudinal beam, wherein the first crossbeam is fixedly connected to the second fixing connection member; the fixed support part passes through the through hole in the movable support part, and is connected to the first crossbeam of the movable support part by means of the connection part; and the second crossbeam of the movable support part is fixedly connected to the supported object. wherein the connection part comprises a first fixing connection member and a second fixing connection member, the first fixing connection member is fixedly connected to the fixed support part; the second fixing connection member is fixedly connected to the movable support part; the first fixing connection member is connected to the second fixing connection member in a one point contact fashion, such that the first fixing connection member and the second fixing connection member can rotate relative to each other; the movable support part is configured to be fixedly connected to a supported object to be supported by the bracket; characterized in that the fixed support part is of a support structure that comprises two longitudinal beams and two crossbeams fixedly connected between the two longitudinal beams, wherein a through hole is formed between the two crossbeams; the movable support part passes through the through hole and is connected to the crossbeam in the middle of the support structure by means of the connection part; and the bracket is configured such that when driven by the supported object, the movable support part rotates relative to the fixed support part by means of the one point contact between the first fixing connection member and the second fixing connection member; wherein the movable support part is of a regular quadrangular frame structure having a through hole in the middle, and comprises a first crossbeam, a second crossbeam, a first longitudinal beam and a second longitudinal beam, wherein the first crossbeam is fixedly connected to the second fixing connection member; the fixed support part passes through the through hole in the movable support part, and is connected to the first crossbeam of the movable support part by means of the connection part; and the second crossbeam of the movable support part is fixedly connected to the supported object.