This invention vehicles collision safety protection installment, it is including a driving mechanism: As soon as this actuation train of mechanism including pushes the rising stem, when the vehicles receive the hit, this actuation train of mechanism causes to push the rising stem to jack a bonnet; This bonnet is installs with a link motion gear by the gearing way, this connecting rod train of mechanism part allows to put in a year place, this connecting rod train of mechanism including a set pin, this set pin is located at between this link motion gear as well as this year place, this set pin both sides department separately links with this link motion gear as well as this year place installs; This year place is equipped with a guiding ditch, guiding train of mechanism allows to put in the guiding ditch, this guiding train of mechanism including an elastic element as well as an actuation place, this actuation place is and the link motion gear changes prescriptions the type by the pivot shaft to meet supposes.