A stop structure for a folding glasses temple includes a glasses frame and a glasses temple. Two spaced lugs are formed on an outer lateral of the glasses frame, and a stop portion is provided between the two lugs. The glasses temple includes a head end connected to the glasses frame and a tail end adapted to be worn on an ear of a user. The head end of the glasses temple is pivotably connected to the glasses frame between the two lugs to allow the glasses temple to be folded inwards or unfolded outwards relative to the glasses frame. The stop portion stops the tail end of the glasses temple from contacting the glasses frame while folding inwards, thereby protecting the glasses frame and the glasses temple.