The invention discloses a transverse grass inserting mechanism for sand stabilization in a desert. The transverse grass inserting mechanism comprises a grass scraping mechanism, a grass conveying mechanism is connected to the rear end of the grass scraping mechanism, a grass scraping box and a grass inserting mechanism body are arranged above the grass scraping mechanism, a grass control mechanism is arranged between the grass conveying mechanism and the grass scraping mechanism, and a grass storage box is arranged above the grass conveying mechanism. Intermittent grass inserting control can be achieved, the structure is simple, and grass square transverse pavement can be achieved.