Flexible thin film solar cell

The invention discloses a flexible thin film solar cell, comprising at least one isolated protection layer which is formed on the surface of a hard carrier plate when being manufactured, a thin film solar cell layer system which is formed on the surface of the isolated protection layer and is internally cascaded and a flexible bearing layer which is combined with the thin film solar cell layer system, wherein the isolated protection layer contains fiber reinforcement materials. The flexible thin film solar cell disclosed by the invention has the advantage that the tensile strength and the dimensional stability of the isolated protection layer can be greatly improved.