The present disclosure provides a flexible display panel and a manufacturing method thereof. The flexible display panel comprises a flexible substrate, an inorganic layer and a planarization layer. The flexible substrate includes a display area and a peripheral area, the display area has a fingerprint recognition area, and the peripheral area has a bending area. The inorganic layer is provided on one surface of the flexible substrate, a first black planarization layer for filtering light is provided on or in the inorganic layer at the fingerprint recognition area, and a second black planarization layer is provided on or in the organic layer at the bending area. The planarization layer is provided on the first and second black planarization layers and the inorganic layer away from the flexible substrate.