The invention relates to the technical field of chair equipment, and discloses a rainproof park chair with an lighting function, which comprises a base, a baffle plate is fixedly connected to the interior of the base, a first connecting rod is rotatably connected to the interior of the baffle plate, a first connecting plate is rotatably connected to one end of the first connecting rod, and a second connecting rod is rotatably connected to the surface of the first connecting plate; a third connecting rod is slidably connected to the top end of the second connecting rod, a first connecting blockis fixedly connected to the outer side of the first connecting plate, and a cushion is slidably connected to the outer side of the first connecting block. According to the rainproof park chair with the lighting function, through connection of the base and the third connecting rod, a rain sheltering function of the chair is developed, the problem that an existing park chair is basically fixed is solved, the situation that the function is single and the structure is simple is improved, the function of sheltering pedestrians from rain in rainy days is provided, the problem that other chairs withthe rain sheltering function are large in dead weight is solved, and the chair has the lighting function and is rainproof and moistureproof.