The invention discloses an enlarged end type soil anchor bolt, and belongs to the field of geotechnical engineering. The enlarged end type soil anchor bolt comprises a pull rod and at least one enlarged end type carrier arranged at one end of the pull rod, and the enlarged end type carriers are independent components capable of being assembled along with the pull rod. Each enlarged end type carrier comprises a first bearing plate, a second bearing plate and sealing cloth, wherein a plurality of reinforcement ribs playing a role as a framework are fixedly arranged between the first bearing plate and the second bearing plate, the sealing cloth is fixed between the first bearing plate and the second bearing plate to form a bag type structure, and a high-pressure grouting pipe is inserted into the bag type structure. The bearing function of the anchor bolt is effectively played through an end enlarged head, and meanwhile the framework effect is played through the reinforcement ribs and the bearing plates, so that when the anchor bolt is subjected to ultimate tension, mortar in the enlarged end type carriers is not pulled or pressed broken, effective exertion of anchor bolt end resistance at the enlarged head is ensured, and the bearing force of the anchor bolt is improved by 37-120%.