The invention discloses a novel portable raincoat which comprises an upper garment, a hat, an upper garment zipper, a lower garment, trouser leg zippers, waterproof shoe covers, a protective shell and a folding area. The upper garment and the lower garment are a split structure, the upper garment zipper is arranged on the front surface of the upper garment, the folding area is arranged in the middle of the back surface of the upper garment, the hat is arranged on the upper garment, trouser leg zippers are arranged on the side surfaces of two trouser legs of the lower garment, waterproof shoe covers are arranged at the tail ends of the two trouser legs of the lower garment respectively, a circle of elastic rubber band is arranged on the edge of each waterproof shoe cover, the protective shell is arranged above the trouser leg zippers, and the protective shells are connected with the trouser legs of the lower garment in a pasted mode. The trousers legs are provided with the zippers so that wearing and taking-off are convenient and fast, and shoes do not need to be taken off; the shoes are a wearable structure, each vamp can be protected, and protection is more comprehensive; and the back surface of the upper garment is provided with the folding area which is convenient for backpack personnel to use.