Self-expanding type automobile sunshade

The invention relates to the technical field of automobile sunshades and provides a self-expanding type automobile sunshade. The self-expanding type automobile sunshade comprises an upper rod body, a lower rod body and first sunshade skeletons. The lower rod body is located below the upper rod body, and the lower rod body and the upper rod body are arranged in a spaced manner and are coaxially arranged. The first sunshade skeletons are distributed in a radial shape with the axis of the upper rod body as the center and are connected between the upper rod body and the lower rod body. The lower rod body is provided with a cavity. The upper rod body can move vertically along the axis of the upper rod body relative to the lower rod body. When the upper rod body moves downwards, the bottom of the upper rod body can be moved into the cavity and expand the first sunshade skeletons open; and when the upper rod body moves upwards, the bottom of the upper rod body moves away from the cavity and collect the first sunshad