The invention relates to the technical field of agricultural cultivation, in particular to a construction method of an improved double-Y tree shape suitable for sightseeing and picking of grapes, the constructed tree shape comprises two vertical trunks which are parallel and adjacent to each other and have a
vertical distance of 60-70cm, each
trunk cultivates two main vines which extend reversely along the row direction, the included angle between the
trunk and the main vines is 90-100 degrees, and the main vines and the main vines are connected in parallel. Fruiting branches are cultivated on the main vines at intervals, and Y-shaped leaf curtains with upper and lower
layers of differential included angles are formed; the construction method comprises the five steps of
seedling seed selection and field planting,
trunk and
vine cultivation, fruiting mother
branch cultivation, winter
pruning and
load capacity accurate control, wherein
load capacity control achieves standardized operation through target backward pushing, flower and fruit
thinning and field regulation and control. Wide-row thin planting is achieved, mechanical operation and sightseeing picking are facilitated, clusters are neat, the ornamental value is high, three-dimensional fruiting can be achieved, the picking period can be prolonged by matching with different varieties, meanwhile, the fruit loading capacity is precisely controllable, the grape yield and quality are effectively improved, and the economic benefit of a sightseeing picking garden is effectively improved; the method is suitable for large-scale popularization and application in the grape sightseeing picking industry.