Green building roof with heat insulation function

The utility model discloses a green building roof with a heat insulation function, which comprises a roof and a reservoir arranged on the roof, a wind-resistant mechanism and a rainproof mechanism are arranged on the reservoir, the wind-resistant mechanism comprises an enclosure component, a recovery component and a reinforcing component, the enclosure component comprises a wind-resistant shroud arranged on the reservoir, and the rain-proof mechanism is arranged on the reservoir. The wind-resistant mechanism and the rain-proof mechanism are arranged, when the water storage tank is used in a strong wind and heavy rain day, a surrounding part in the wind-resistant mechanism can cover plants in potted plants in the strong wind weather, so that the water storage tank is convenient to use, and the water storage tank can be used for preventing the plants from being damaged by the wind when the water storage tank is used in the strong wind and heavy rain day. Under the condition that normal aerobic respiration of pl