Forward and reverse rotation fan

A forward and reverse rotation fan, comprising:

• a fan body, wherein the fan body is internally arranged with forward and reverse rotation fan blades, the forward and reverse rotation fan blades are sleeved at an upper portion of a forward and reverse rotation motor, the forward and reverse rotation motor is connected to a conductive flexible printed circuit (FPC) board, the conductive FPC board is connected to a power lead, a back face of the forward and reverse rotation motor is arranged with a forward and reverse rotation switch, and the forward and reverse rotation switch is connected to and controls a motor;
• the fan body comprises an upper housing, a light guide ring, and a lower housing, the upper housing and the lower housing being combined from top to bottom to form a fan housing;
• and
• the conductive FPC board is positioned on an outer side wall of the light guide ring, two ends of the conductive FPC board are exposed to two sides of the fan housing, and the light guide ring is electrically connected to the conductive FPC board;
• wherein an upper portion of the conductive FPC board is arranged with an interface terminal, and the interface terminal is electrically connected to the forward and reverse rotation motor;
• one end of the conductive FPC board is arranged with a connecting male end, the other end of the conductive FPC board is arranged with a connecting female end, and the connecting male end matching with the connecting female end.