The invention discloses a telescopic dragging portable dog cage comprising a portable dog cage and an automatic food feeding box. A dog cage pull rod is arranged over the portable dog cage; an elevating device is arranged on the left side of the dog cage pull rod; a lifting door is arranged in front of the portable dog cage; the automatic food feeding box is disposed in the portable dog cage; a storage bucket is arranged over the automatic food feeding box; a fixing rod is arranged under the storage bucket; and a food feeding box pedestal is arranged under the fixing rod. The telescopic and dragging-accessible portable dog cage is scientifically and rationally structured and is safe and convenient to operate; with the dog cage pull rod, the dog cage can be easily lifted; the height of the dog cage pull rod can be freely adjusted, so convenient use can be provided and the pull rod can be folded and stored; with the automatic food feeding box, food can be automatically fed when an owner is out for long time; the telescopic and dragging-accessible portable dog cage is rationally structured; and with universal self-locking wheels, the telescopic and dragging-accessible portable dog cage can be easily moved.