Detachable freely-combined martial art safety trainer

The utility model relates to the technical field of martial art training instruments, and discloses a detachable freely-combined martial art safety training device which comprises an instrument body made of soft materials, an assembly with internal thread connection and an internal thread connector. The instrument main body structure comprises an inner core, a soft material main body and a protective sleeve from inside to outside, and the two ends of the inner core are fixedly connected with the rear ends of the inner screw thread connectors respectively to form a short stick body main body; the two ends of the main short stick body are detachably connected with different-shaped combined pieces with internal thread connection through the front ends of internal thread connectors in a matched and fastened mode; the inner core is made of a carbon or glass fiber material; when the martial art training device is used, the assemblies are selected as required to form different martial art training devices (such as n