The utility model belongs to the canvas roof field specificly provides a sunshade lew. This sunshade lew includes frame and tarpaulin, the frame includes preceding axis of rotation, back axis of rotation, the flexible arm of the flexible arm in a left side and the right side, and left and right flexible arm both ends link to each other with preceding, back axis of rotation through the connection piece respectively, left and right flexible arm is by first connecting rod and the 2nd connecting rod composition, and through the bolt fastening, and is first, the second connecting rod other end is articulated with the connection piece, and is equipped with spacing piece on the connection piece. The utility model discloses a left and right flexible arm is scalable, rotatory, can realize the lew folding, warp, but both anti -winds is favorable to the discharge of rainwater again, adjusts use nimble, that satisfy different weather. The utility model discloses the mountable also can be used with folding support is supporting on the wall.