The invention discloses a convenient pole base excavation device. The convenient pole base excavation device comprises a main post (1), one end of the main post (1) is fixedly connected with an adjusting device, a plurality of screw blades (2) are connected with the main post (1), a bucket (3) is arranged below the screw blades (2), and the main post (1) penetrates the top of the bucket (3) to extend into the bucket (3) to be fixedly connected with the bucket (3). The convenient pole base excavation device saves time and reduces the workload as well as is portable and easy to use.