The utility model discloses a novel earth boring auger, include: control box, drilling rod, drill bit and a protection section of thick bamboo, the control box is connected with the top of drilling rod, and a protection section of thick bamboo is installed on the control box, and the drilling rod cup joints in a protection section of thick bamboo, and the drill bit setting is in the bottom of drilling rod, and the drill bit includes installation department and work portion, and a tip of installation department is connected bottom the drilling rod, and another tip of installation department is connected with work portion, is equipped with at least one chamber of fetching earth in the work portion. Compared with the prior art, the utility model provides a novel earth boring auger, this earth boring auger adopt the motor drive, improve work efficiency, are fit for various land uses to be equipped with the sample chamber on the drill bit, along with the deepening of drill bit, automatic soil sampling, the volume of alleviateing the manual working.