The utility model discloses an external fixed subassembly, gloves and motion capture gloves, this external fixed subassembly includes: a housing, the casing is provided with the storage tank, be provided with first haptic element in the storage tank, and terminal, the terminal set up in in the storage tank, be provided with the second haptic element on the terminal, first haptic element with second haptic element electricity is connected. This external fixed subassembly can make casing and terminal realize electric the connection when carrying out mechanical connection through the storage tank, and external fixed subassembly simple structure, design benefit. In virtual reality system, the utility model discloses an external fixed subassembly is used for fixing is dressing the device, and at this moment, the effect of external fixed subassembly lies in: can can realize again being connected with other electronic component's electricity with the fixed action of inertia measuring unit in order to catch this position in the casing to the degree of integrating of whole wearing device has been improved.