The invention relates to a groove type double-surface plant glass curtain wall and a machining method thereof. The groove type double-surface plant glass curtain wall comprises a support, an irrigation pipeline and a control system wherein the support is fixed with the outer side of a glass wall body through connecting pieces; a plurality of planting grooves are formed in the support; planting packs are placed in the planting grooves; the irrigation pipeline is used for performing drop irrigation on the planting packs and/or applying fertilizers to the planting packs; and the control system controls operation of the irrigation pipeline. According to an embodiment, people can enjoy green plants from inside and outside of a building by the groove type double-surface plant glass curtain wall, a double-surface visible effect is achieved, the indoor temperature of the building can be adjusted, and the groove type double-surface plant glass curtain wall has a decorating function and an energy-saving and environment-friendly function.