The invention relates to multifunctional anti-bird damage device, belongs to the farmland and airport bird-scaring equipment technical field, and comprises a rotary reflective tray, a storage battery chamber, and a fixed pedestal; the storage battery chamber arranged on the fixed pedestal is provided with a sounding chamber; two ends of the sounding chamber are symmetrically provided with strong magnetic high decibel movable coil horns, and the top is provided with a stainless steel mirror surface reflective blade through a hollow main shaft and a pneumatic rotary sleeve; a plurality of convex mirrors are arranged on the rotary reflective tray positioned on the hollow main shaft, and a top rendezvous point of the convex mirrors is provided with an emulation eagle eye; a circuit mainboard, a lithium cell pack chamber and a wireless remote reception module are arranged in the storage battery chamber; the anti-bird damage device combines sound, light, wave, color, eagle eye with a human puppet form, is good in continue bird-scaring effect, convenient in operation, long in life, and birds are not harmed; a conventional device is effective only in a short time, time wasting, labor wasting, money wasting, and a clapnet can hurt rare birds, thus violating national wildlife protection protocols; the multifunctional anti-bird damage device can solve the said problems.