A conical inductor comprising a housing, a conical coil, a first pin, and a second pin, wherein: the housing comprises a top wall, and a first side wall and a second side wall that are connected to the top wall, and a hole is separately disposed on a side, away from the top wall, of each of the first side wall and the second side wall; the conical coil is located in a cavity formed by the top wall, the first side wall, and the second side wall that are of the housing, and each of the holes faces an interior of the cavity; one end of the first pin is connected to one end of the conical coil, the other end of the first pin is connected to the hole in the first side wall in a fastened manner, one end of the second pin is connected to the other end of the conical coil, and the other end of the second pin is connected to the hole in the second side wall in a fastened manner, characterized in that each of the first pin and the second pin comprises one waveform segment fluctuating in a direction perpendicular to the top wall, wherein: a height between a trough (1,2,3) of a waveform segment of the first pin and the hole in the first side wall is greater than a height between the hole in the first side wall and the side, away from the top wall, of the first side wall; a height between a trough (1,2,3) of a waveform segment of the second pin and the hole in the second side wall is greater than a height between the hole in the second side wall and the side, away from the top wall, of the second side wall; and a trough (1,2,3) of the waveform segment of the first pin and a trough of the waveform segment of the second pin are located on a same plane. the housing comprises a top wall, and a first side wall and a second side wall that are connected to the top wall, and a hole is separately disposed on a side, away from the top wall, of each of the first side wall and the second side wall; the conical coil is located in a cavity formed by the top wall, the first side wall, and the second side wall that are of the housing, and each of the holes faces an interior of the cavity; one end of the first pin is connected to one end of the conical coil, the other end of the first pin is connected to the hole in the first side wall in a fastened manner, one end of the second pin is connected to the other end of the conical coil, and the other end of the second pin is connected to the hole in the second side wall in a fastened manner, characterized in that each of the first pin and the second pin comprises one waveform segment fluctuating in a direction perpendicular to the top wall, wherein: a height between a trough (1,2,3) of a waveform segment of the first pin and the hole in the first side wall is greater than a height between the hole in the first side wall and the side, away from the top wall, of the first side wall; a height between a trough (1,2,3) of a waveform segment of the second pin and the hole in the second side wall is greater than a height between the hole in the second side wall and the side, away from the top wall, of the second side wall; and a trough (1,2,3) of the waveform segment of the first pin and a trough of the waveform segment of the second pin are located on a same plane. a height between a trough (1,2,3) of a waveform segment of the first pin and the hole in the first side wall is greater than a height between the hole in the first side wall and the side, away from the top wall, of the first side wall; a height between a trough (1,2,3) of a waveform segment of the second pin and the hole in the second side wall is greater than a height between the hole in the second side wall and the side, away from the top wall, of the second side wall; and a trough (1,2,3) of the waveform segment of the first pin and a trough of the waveform segment of the second pin are located on a same plane.