Arthroscope auxiliary tool with transverse and longitudinal measurement functions

The arthroscope auxiliary tool comprises a main body and a ruler body, the main body comprises a handle and a probe hook, a tape measure cavity is formed in the handle, a tape measure roller is arranged in the tape measure cavity, a ruler feeding cavity is formed in the probe hook, a longitudinal ruler opening is formed in a hook body of the probe hook, a transverse ruler opening is formed in a hook tip of the probe hook, and the tape measure roller is wound around the middle of the ruler body. Two ends of the ruler body are respectively located at the longitudinal ruler opening and the transverse ruler opening. When the ruler is used, the ruler body can be pulled out, the measuring distance is effectively prolonged, scales are arranged on the ruler body, and the measuring precision is improved. By arranging the measuring tape roller, the ruler body is rolled into a U shape, and the length of the ruler body is doubled; by arranging the transverse ruler opening and the longitudinal ruler opening, the two ends