The invention discloses a multi-functional electric fence which comprises stand columns. The stand columns are connected through horizontal columns. Vertical columns are arranged on the horizontal columns. A base is arranged at the bottom of each stand column. Traveling wheels and limiting telescopic blocks are arranged on the lower surface of each base, and the the limiting telescopic blocks are located on the two sides of the traveling wheels. A camera and an alarm device are arranged at the upper end of one of the stand columns. A collecting device is arranged on the middle portion of one of the stand columns. The collecting device comprises a fingerprint collecting module and a digital collecting module. The output end of the fingerprint collecting module is electrically connected with the input end of a fingerprint identification module. The output end of the fingerprint identification module is electrically connected with the input end of a control module. The output end of the digital collecting module is electrically connected with the input end of a digital identification module. In this way, unprofessional personnel can be prevented from entering the electric fence unintentionally, and lawless persons can be effectively prevented from entering the electric fence, so that the safety of electric equipment is guaranteed. The electric fence is simple, safe, economical and practical.