An LED lighting apparatus comprising: a rectifier circuit; a light-emitting circuit arrangement comprising a first light-emitting circuit connected to a current output terminal of said rectifier circuit and a second light-emitting circuit connected to said first light-emitting circuit in series, said first light-emitting circuit containing a single or a plurality of LEDs in which current begins to flow when an output voltage of said rectifier circuit exceeds a first threshold voltage, and said second light-emitting circuit containing a single or a plurality of LEDs in which current begins to flow when the output voltage of said rectifier circuit exceeds a second threshold voltage; a first bypass circuit having a first bypass path directly connected to said current output terminal of said rectifier circuit and including a switching unit and a detecting unit; a second bypass circuit arranged between said first light-emitting circuit and said second light-emitting circuit and having a second bypass path for making the current flow to said rectifier circuit without passing through said second light-emitting circuit; and a current limiting circuit for limiting the current flowing into said second light-emitting circuit, wherein said first bypass path is provided for making the current flow to said rectifier circuit without passing through said first light-emitting circuit, said second light-emitting circuit, said second bypass circuit, and said current limiting circuit, wherein said detecting unit is configured to detect the current which passes through said first light-emitting circuit and said second bypass circuit, or the current which passes through said first light-emitting circuit, said second light-emitting circuit, and said current limiting circuit, and wherein said switching unit is configured to shut off the current flowing through said first bypass path when the current detected by said detecting unit exceeds a predetermined value. a rectifier circuit; a light-emitting circuit arrangement comprising a first light-emitting circuit connected to a current output terminal of said rectifier circuit and a second light-emitting circuit connected to said first light-emitting circuit in series, said first light-emitting circuit containing a single or a plurality of LEDs in which current begins to flow when an output voltage of said rectifier circuit exceeds a first threshold voltage, and said second light-emitting circuit containing a single or a plurality of LEDs in which current begins to flow when the output voltage of said rectifier circuit exceeds a second threshold voltage; a first bypass circuit having a first bypass path directly connected to said current output terminal of said rectifier circuit and including a switching unit and a detecting unit; a second bypass circuit arranged between said first light-emitting circuit and said second light-emitting circuit and having a second bypass path for making the current flow to said rectifier circuit without passing through said second light-emitting circuit; and a current limiting circuit for limiting the current flowing into said second light-emitting circuit, wherein said first bypass path is provided for making the current flow to said rectifier circuit without passing through said first light-emitting circuit, said second light-emitting circuit, said second bypass circuit, and said current limiting circuit, wherein said detecting unit is configured to detect the current which passes through said first light-emitting circuit and said second bypass circuit, or the current which passes through said first light-emitting circuit, said second light-emitting circuit, and said current limiting circuit, and wherein said switching unit is configured to shut off the current flowing through said first bypass path when the current detected by said detecting unit exceeds a predetermined value.