Multifunctional anti-burglar artful mechanism used for doors and windows

The invention discloses a multifunctional anti-burglar artful mechanism used for doors and windows, comprising a mounting part fixedly installed at the waling at the bottom of inner window of a sliding window; the mounting part, the inner window of the sliding window and the outer window of the sliding window are connected into a whole by arranging a bolt mechanism; the mounting part is also provided with a first protecting mechanism as well as a second protecting mechanism added on the basis of the first protecting mechanism; with the protection of the first and second protecting mechanisms,the anti-burglar function is further strengthened; even if the burglar spots the anti-burglar artful mechanism, the burglar can not break the dual protecting mechanisms easily, and the invention is small in volume, light in weight, convenient in use and low in cost.