Degradable wooden photo frame with assembly size capable of being adjusted according to photo size

The invention discloses a degradable wooden photo frame with assembly size capable of being adjusted according to photo size, and relates to the technical field of photo frames. Supporting blocks are arranged on the left side and the right side of the back block, cushion blocks are fixed to the front sides of the supporting blocks, length adjusting mechanisms are arranged between the back block and the cushion blocks, lower connecting blocks are fixed to the bottoms of the supporting blocks, lower clamping frames are fixed to the front sides of the lower connecting blocks, the bottoms of the lower clamping frames are flush with the bottom block, and the left lower clamping frame and the right lower clamping frame are oppositely arranged. An upper connecting block is movably inserted into the upper side of the supporting block, positioning studs are screwed and inserted into the left side and the right side of the supporting block through threads, the inner ends of the positioning studs abut against the upper connecting block, upper clamping frames are fixed to the front side of the upper end of the upper connecting block, the left upper clamping frame and the right upper clamping frame are oppositely arranged, and positioning clamping frames are arranged on the front sides of the upper clamping frames and the front sides of the lower clamping frames; the height and the length can be adjusted according to the size of a photo, so that photos of different sizes and specifications can be placed, and the photo can be conveniently replaced by adjusting the clamping frame.