The anal sinusitis probe comprises a straight rod, a hook and a rod-shaped needle, the hook is arranged at one end of the straight rod, the rod-shaped needle is arranged at the other end of the straight rod, and round heads are arranged at the ends, away from the straight rod, of the hook and the rod-shaped needle. According to the utility model, the miniature camera is used for detecting the detection part of the probe in real time; the diagnosis visual field of a doctor is increased; hooks and rod-shaped needles are arranged at the two ends of the probe and are used for respectively detecting and diagnosing anal sinusitis at different depths and parts; the proper probe head can be selected according to the severity degree of the focus, redundant injuries caused by diagnosis of false infection focus are prevented, the focus is searched for with a small wound, it is no longer needed to insert an anorectal mirror for observation while detection is conducted, pain of a patient is relieved, and the probe has wide applicability in the field of anorectal sinusitis diagnosis.