The invention relates to the technical field of advertising boards, in particular to a multifunctional inkjet advertising board, which comprises a base, a supporting column, a receding groove, a rack,a fixing plate, a driving element, a connecting frame, a rotating shaft and a gear. The advertising board has the beneficial effects that the driving element is arranged to drive the connecting frameto vertically move; the gear is in engaged transmission with the rack; furthermore, the rotating shaft is driven to rotate, a flex banner mounting panel is driven to turn over; in this way, in rainydays, the flex banner mounting panel can be turned over by 90 degrees; the flex banner mounting panel can play a role in sheltering from rain; in this way, pedestrians can stand below the flex bannerinstallation panel to shelter from rain, in the rain sheltering process, the contact time with the advertising board is prolonged, the advertising effect of the advertising board is facilitated, in addition, due to the fact that the advertising board can be turned over, the attention of the pedestrians is additionally increased, the attention is improved, and the advertising effect is improved.