The invention provides a balcony combined with a wall-mounted solar water heater and belongs to the technical field of solar energy. The balcony combined with the wall-mounted solar water heater comprises a water tank, a solar heat collector and a balcony guardrail frame. The water tank is arranged on a wall on the inner side of the balcony; the solar heat collector is arranged on the a balcony guardrail frame; a hot water input pipe is arranged at the upper end of the water tank; a cold water output pipe is arranged at the lower end of the water tank; a circulation pump is arranged on the cold water output pipe; the hot water input pipe and the cold water output pipe are connected to the solar heat collector; a water inlet pipe is further connected to the solar heat collector; an airing device is arranged at the upper end of the balcony guardrail frame; a pot plant curing device is arranged at the lower end of the balcony guardrail frame; and the pot plant curing device comprises a platform for storing pot plants and a pushing structure for pushing the platform to the exterior of the balcony guardrail frame. According to the balcony combined with the wall-mounted solar water heater, the solar heat collector is combined with a building together and occupies little space, and in addition, the balcony is multifunctional and high in applicability.