The invention discloses a method for planting lotus roots in loam of a high-altitude region, and belongs to methods for planting lotus roots. The method for planting the lotus roots in the loam of the high-altitude region comprises the following steps of building of a lotus root field, water retention and improvement of the loam, disinfection of lotus root seeds, planting and field management. Specifically, the method for planting the lotus roots in the loam of the high-altitude region comprises the following steps that (1) the inner sides of ridges are covered with plastic film; (2) the bottom of the lotus root field is covered with clay, thoroughly-decomposed chicken manure, quick lime and a water-retaining agent, and then irrigation and uniform stirring are carried out; (3) Elian No. 8 provided with 2-4 lotus root nodes and a rear section serves as the lotus root seeds, and the lotus root seeds are disinfected through disinfectant; (4) the disinfected lotus root seeds are planted in the lotus root field with the spacing in the rows and the spacing between the rows being 1.0 m*1.0 m between April 5th and April 20th every year, and the water level is controlled to range from 1 cm to 3 cm until the lotus roots come into 2-3 new leaves; (5) the water level is gradually increased along with growth of the leaves, topdressing is carried out twice in the whole growth cycle, and the highest water level is 45 cm when the lotus roots grow into the fully developed period.