Disclosed is a flexible light sensor, which is produced by semiconductor process. It includes: a base layer, which is a polymer with flexible property and has through-holes a plurality of light sensing apparatuses provide at a lower surface of the base layer at intervals through deposition process a connection layer deposited at a lower surface and a side surface of the light sensing apparatuses and the lower-face of the base layer for forming a continuous surface and a light source module provided in through-holes for emitting a plurality of light sources wherein there is a spaced space between each two of the continuous light sensing apparatuses after deposition of connection layer.一種可撓式光感測器,其係以半導體製程製作形成,包括:基底層,其為高分子材料,具有可撓性,包括通孔;複數個光感測裝置,經由沉積製程以間隔設置於基底層的基底層下表面;連接層,沉積於該些光感測裝置的下表面及側表面及間隔中的基底層下表面,並且形成連續的表面;以及一光源模組,設置於通孔內,用以發射複數個光源,其中經沉積連接層後的任二且連續的些光感測裝置之間具有間隔空間。20‧‧‧基底層21‧‧‧電路31‧‧‧通孔60‧‧‧光感測裝置61‧‧‧側表面62‧‧‧下表面63‧‧‧基底層下表面70‧‧‧連接層80‧‧‧光源模組91‧‧‧間隔空間95‧‧‧光源96‧‧‧反射光