The invention discloses an intelligent automatic reclosing device, comprising a split-phase accurate quick switch, a microcomputer integrated controller, a current transformer CT, a potential transformer PT1 and a potential transformer PT2, wherein the current transformer CT is arranged on the line where the split-phase accurate quick switch is located; the potential transformer PT1 for detecting the voltage of a static contact is arranged at the static contact end of the split-phase accurate quick switch; the potential transformer PT2 for detecting the voltage of a moving contact is arranged at the moving contact end of the split-phase accurate quick switch; the output ends of the current transformer CT, the potential transformer PT1 and the potential transformer PT2 are connected with the input end of the microcomputer integrated controller; and the output end of the microcomputer integrated controller is connected with the split-phase accurate quick switch to control the breaking-closing operation of the split-phase accurate quick switch. According to the intelligent automatic reclosing device disclosed by the invention, faults can be rapidly removed at the first zero crossing point of the short-circuit current after the line faults occur, the continuous and uninterrupted operation of important sensitive equipment of non-fault lines can be ensured, and the breaking capacity and breaking life of circuit breakers can also be greatly improved.