A pointer-type angle measuring device including a housing, a dial, a pointer, the housing consisting of a front cover and a rear cover, wherein a window is set in the front cover, wherein a transparent cover is set on the window of the front cover, and the pointer is set in an inner cavity of the housing behind the transparent cover, wherein the pointer consists of a pointer body and a pointer head, wherein a first end of a main shaft is fixed on the rear cover, and the pointer can rotate around the axis of the main shaft, and the pointer head can always point in the vertical direction by gravity action of itself, characterized in that - the pointer body is a housing structure with an inner cavity, wherein the pointer head of the pointer is made of a transparent material, wherein a shaft hole is set in the middle of a power receiver coil fixing base for communicating with the pointer body, wherein a bearing is mounted in the shaft hole in the middle of the pointer body and the power receiver coil fixing base, wherein the main shaft is mounted in a bearing hole of the bearing, wherein a second end of the main shaft is fixed on the transparent cover; and in that - the pointer-type angle measuring device further includes an electronic circuit including a wireless power supply circuit and a wireless power receiving and a lighting circuit, wherein the wireless power receiving and lighting circuit is set on the pointer, wherein the wireless power supply circuit includes a power transmitter coil and a circuit board of the wireless power supply circuit, wherein a power transmitter coil fixing base is set on the inner side of the rear cover, wherein the power transmitter coil is fixed on a power transmitter coil fixing base, and wherein the power transmitter coil is connected with the circuit board of the wireless power supply circuit through a wire. wherein the wireless power receiving and lighting circuit includes a power receiver coil, a first light emitting diode configured to light the pointer head and a circuit board of the wireless power receiving and lighting circuit, wherein a power receiver coil fixing base is set on the back of the pointer body, and the power receiver coil is fixed on the power receiver coil fixing base. - the pointer body is a housing structure with an inner cavity, wherein the pointer head of the pointer is made of a transparent material, wherein a shaft hole is set in the middle of a power receiver coil fixing base for communicating with the pointer body, wherein a bearing is mounted in the shaft hole in the middle of the pointer body and the power receiver coil fixing base, wherein the main shaft is mounted in a bearing hole of the bearing, wherein a second end of the main shaft is fixed on the transparent cover; and in that - the pointer-type angle measuring device further includes an electronic circuit including a wireless power supply circuit and a wireless power receiving and a lighting circuit, wherein the wireless power receiving and lighting circuit is set on the pointer, wherein the wireless power supply circuit includes a power transmitter coil and a circuit board of the wireless power supply circuit, wherein a power transmitter coil fixing base is set on the inner side of the rear cover, wherein the power transmitter coil is fixed on a power transmitter coil fixing base, and wherein the power transmitter coil is connected with the circuit board of the wireless power supply circuit through a wire.