The invention discloses a photovoltaic power rack with adjustable angle and cleaning function of a photovoltaic panel, including the base, A vertical bar is fixedly mounted on the base, A first rotating mechanism for adjusting the angle between the photovoltaic panel and the horizontal direction is fixedly arranged at the top of the photovoltaic panel, the first rotating mechanism is provided witha first rotating shaft, the first rotating shaft is fixedly connected with a lower end of a rotating rod, The upper end of the rotating lever is fixedly connected with a second rotating shaft of a second rotating mechanism for adjusting the angle between the photovoltaic plate and the vertical direction, the second rotating mechanism is fixedly provided with a photovoltaic plate fixing frame, thefirst rotating shaft and the second rotating shaft are horizontally arranged and mutually perpendicular to each other, and a cleaning mechanism is mounted on the photovoltaic plate fixing frame. Theinvention can adjust the angle of the photovoltaic panel on two rotating planes, so as to meet the requirement that the photovoltaic panel receives the sunlight to the maximum extent in different seasons and different periods of a day. In addition, the invention also has the function of cleaning the photovoltaic panel, which ensures the light receiving capacity of the photovoltaic panel and improves the photoelectric conversion rate.