The present invention discloses a method for mixed sowing of alfalfa tall fescue on saline land, comprising the following steps: S1, land preparation; S2, fertilization; S3, sowing; S4, field management. The present invention uses a method of mixed sowing of alfalfa tall fescue on saline land as described above to increase the intensity of utilization of saline land, to provide a model for saline land management and to help the development of grass and grazing industry.