The present invention relates to an automatic photographing system and an automatic photographing method for scenic spots that can automatically filter photos. After the preset shooting area is determined, the camera takes photos at a preset frequency, and tourists face the camera in the designated shooting area that matches the facial features. Take photos and generate a face photo management library; tourists upload selfie photos, and the selfie photos are matched with the faces in the face photo management library, and the photos that meet the preset conditions are screened out, corresponding to the initial shooting area photos, initial lighting photos, initial Posture photos calculate the position matching degree, illumination matching degree, and posture matching degree, and filter photos with comprehensive screening parameters, and then process them for tourists to filter and obtain. The present invention automatically takes photos of tourists in the scenic area, and through the fusion of facial expressions, positions, lighting and other information, realizes the purpose of automatically screening out photos with high tourist satisfaction, which is convenient for tourists to take pictures in the scenic area and increases the number of tourists in the scenic area. A good tour experience is conducive to the healthy operation of the scenic spot.