The invention provides a construction method of an ornamental type orchard windbreak forest. The method comprises the following steps that before germination in spring, annual GF677 cutting seedlings are planted for half a month, and then one Jiang princess flowering peach bud and one bamboo green flowering peach bud are grafted to the positions of 15 cm and 30 cm from the ground respectively; after bud grafting, rootstocks are cut away, rootstock buds on the base portion are erased timely, and when the grafted buds grow to 40 cm long, pinching is conducted; one plant of bougainvillea speetabilis is planted between every two peach trees, when branch tips of the bougainvillea speetabilis grow to 40 cm, pinching is conducted, then secondary branches are pulled and winded on the peach trees on the two sides, and then the ornamental type orchard windbreak forest is constructed. According to the construction method, during grafting, scions of two flower colors can be grafted at the same time, and the grafting survive rate is high; the windbreak forest constructed through the method is fast in growing speed, and compared with a conventional windbreak forest, the wind proof effect of the ornamental type orchard windbreak forest can be achieved two years in advance; the windbreak forest constructed through the method is good in ornamental value.