Mobile phone part defect detection system

The utility model discloses a defect detection system for mobile phone parts. The defect detection system comprises a front detection station, a back detection station and an overturning station, the front detection station comprises a plurality of front detection stations; the reverse side detection station comprises a plurality of reverse side detection stations; the overturning station is connected between the front surface detection station and the back surface detection station; the overturning station is used for transferring the to-be-detected mobile phone parts from the front surface detection station to the back surface detection station; each of the at least one front detection station and the at least one back detection station comprises a plurality of strip-shaped light sources facing different directions; the at least one front detection station comprises a prism, and the prism is used for presenting a side image of a convex part in the to-be-detected mobile phone part based on mirror reflection.