The application provides a guide air device for an air conditioner and the air conditioner. The air conditioner comprises a shell, and the shell is formed with an air outlet. The guide air device is arranged at the air outlet and comprises a guide air plate. The guide air plate can be controlled to rotate. The inside or surface of the guide air plate is formed with a channel group. The channel group comprises multiple channels. The multiple channels form a fluid oscillation structure. Multiple fluid oscillation structures are arranged in sequence and at intervals along the length direction of the guide air plate. The multiple channels of each fluid oscillation structure extend along the width direction of the guide air plate. The guide air device has no movable component and simple structure, and solves the problems of complex structure and large air resistance of the guide air device in the prior art. The air can be divided. Part of the air passes along the surface of the guide air plate, and the other part of the air passes along the fluid oscillation structure to form an oscillation air flow. The air can be prevented from directly blowing to the
human body, the comfort is improved, and the problems of the air outlet directly blowing to the
human body and the small air supply range of the existing air conditioner are solved.