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This paper reports the synthesis and characterization of a composite thin film of waste derived acrylic plastic (PMMA) and MAPbBr3 perovskite nanocrystal that prepared by ligand assisted re-precitation (LARP) method. The composite thin film was prepared from MABr, PbBr2, oleic acid and oleylamine, N,N-dimethylformamide (DMF) as precursor, toluene as a solvent, and waste derived PMMA as polymer, and then deposited on glass substrate using a spin coater with varied speed. As the result, The highest transmittance value was around 90% for sample with the high spin speed (3000 rpm). The photoluminescence of MAPbBr3 film when illuminated by UV shows a bright green color with a peak at 536 nm wavelength and maximum luminescence found in the sample with the lower spin speed (1000 rpm). Thus, the fabricated perovskite composite thin film using recycled acrylic plastic has a good prospect to be applied in optoelectronic application