The utility model discloses a convenient canopy, consisting of a foldable canopy frame, wherein the foldable canopy frame is provided with a waterproof cloth which is provided with an automatic stretching and rolling device controlled by a rainwater sensor. According to the utility model, because the waterproof cloth is arranged on the foldable canopy frame and is provided with the automatic stretching and rolling device controlled by the rainwater sensor, once rain falls, the rainwater sensor can sense rainwater and transmit sensed information to the automatic stretching and rolling device, thus, the automatic stretching and rolling device can unfold the waterproof cloth to shield an aired object so as to timely and sensitively protect the aired object effectively; and because the foldable canopy frame is foldable, the canopy is convenient to carry and carry, convenient to use and very suitable for being used as an emergency rainproof tool during airing.