Disclosed are an imaging module, a camera assembly and an electronic apparatus. The imaging module includes: a housing; a reflective element, an image sensor, a lens assembly, a moving element, and a drive mechanism all disposed in the housing. The housing has a light inlet; the reflective element is configured to redirect incident light from the light inlet to pass through the lens assembly and reach the image sensor; the moving element is disposed between the reflective element and the image sensor; the lens assembly is fixed to the moving element; the drive mechanism is configured to drive the moving element to move along an optical axis of the lens assembly; the imaging module further comprises a module circuit board fixed to the housing; wherein the module circuit board comprises a reinforcement plate communicating with a ground pin of the module circuit board such that the housing is grounded.