The invention discloses a visual real-time monitoring method for optical fiber connection in an intelligent substation. The method comprises the following steps: analyzing an SCD file; constructing optical fiber connection wires among physical ports of IEDs; constructing an optical fiber association table; acquiring a GOOSE/SV link alarm status of receiver IEDs in a real-time manner, and acquiring a light intensity lower limit exceeding alarm status of sender IEDs in a real-time manner; carrying out judgments on an optical fiber link status; and drawing an optical fiber connection diagram. The method provided by the invention has the advantages that connection matching and drawing of optical fiber connection relations can be automatically carried out through information of the IED equipment in the SCD file, and matching of optical fiber status information is carried out at the same time, so that optical connections among the IED equipment, information sending and receiving conditions of the connections and connection statuses can be visually displayed to a user; and failure diagnosis and maintenance carried out by onsite technicians can be facilitated.