The invention provides a mountain land lowbush blueberry picking device which comprises a tree vibration mechanism, a purse net and a purse net opening and closing mechanism. The purse net defined by two net covers can surround the whole lowbush blueberry branch, so that fruits on the whole tree can be picked at a time, and the picking efficiency is high. The mountain land lowbush blueberry picking device is simple and practical in structure, and capable of picking lowbush blueberries on mountain land with uneven ground and irregular row spacing.