Planting a vine in the yard should be pruned as follows: the vine should be pruned in winter from half a month after defoliation to 45 days before germination in spring (before February 15 in the solar calendar in southern Shandong); 8- 10 sub can be reserved for the main spreading extension; Grape bearing mother branch, with 4-5 segments; The slender branches are divided into two small pieces or cut directly from the base.