The invention discloses a construction method for an apple, beef cattle and toadstool circular agriculture system in a semi-arid region and belongs to the technical field of circular agriculture. According to the method disclosed by the invention, apple planting, beef cattle rearing and toadstool planting are combined in a trinity mode, and varieties of agricultural waste generated in apple, toadstool and beef cattle planting and rearing processes is fully utilized; thus, not only is apple and toadstool yield improved, but also beef cattle quality is improved and a slaughter quantity of the beef cattle is also greatly increased; furthermore, varieties of planting and rearing cost is saved, planting-rearing benefits can be maximum, zero emission to the environment is achieved, and win-win of economic benefits and environmental benefits is achieved.