The invention discloses a safety socket with protective door comprising a socket panel, a reset spring, a protective door, and a protective door casing installed on the socket panel, wherein the socket panel and the protective door casing are provided with jacks, a partition is arranged inside the protective door casing, the protective door is provided with a through cavity and sleeved on the partition, the reset spring is located in the through cavity and between the partition and the protective door, slopes are arranged on the inner walls of the protective door, two bottom inclined walls are arranged on the lower end of the protective door, a fulcrum is formed at the intersection of the two bottom inclined walls, and limiting lug bosses matched with the jacks on the protective door casing are arranged on the left and right lower ends of the protective door, respectively.