CONSTRUCTION MACHINE AND CONSTRUCTION MACHINE ASSISTING METHOD

A shovel assisting device (50) for supporting work performed by a shovel (100) provided with a feature data acquiring part (506) configured to, based on an output from a space recognition device (S6), acquire feature data which is data concerning a position of a predetermined feature existing at a construction site; and a combined data generating part (507) configured to, based on the feature data, associate position information with respect to a construction site with data concerning the position of the feature. The shovel assisting device (50) may be provided with a contact avoiding control part (508) configured to execute control for avoiding contact between the predetermined feature and the shovel (100) based on the combined data.