A camera assembly comprises a casing, a light sensing component, and a flexible circuit board. The casing comprises a lens accommodating groove, an housing, and a base on which the housing is disposed. The lens accommodating groove is disposed between the housing and the base. An opening of the lens accommodating groove is disposed at the housing. The light sensing component comprises a light sensing member and a baseplate on which the light sensing member is disposed. The light sensing member is correspondingly disposed at the bottom of the lens accommodating groove. The light sensing component is disposed on the base. The flexible circuit board comprises a first end part, a second end part, and a body part disposed between the first end part and the second end part.