The invention discloses a solar energy advertising board which comprises an advertisement support and an advertisement display screen. The advertisement display screen is installed in the advertisement support. The solar energy advertising board further comprises a rain-proof board and a photovoltaic board. The rain-proof board is located above the advertisement display screen, the photovoltaic board is located above the rain-proof board, an electric energy output end of the photovoltaic board is connected with a storage battery arranged in the advertisement display screen, and the photovoltaic board controls the included angle between the photovoltaic board and the rain-proof board through a rotary support. According to the solar energy advertising board, the photovoltaic board can move along with solar energy and fully absorb sunrays, the electric energy conversion efficiency is high, the arc-shaped rain-proof board is arranged above the adverting board, the lighting function is added, the using function of the solar energy advertising board is added, the model is unique, and the solar energy advertising board has good application prospects.