Abstract: In view of the lack of deep-seated and all-round comprehensive training room in railway station interlocking system, this paper designed the construction scheme of railway signal workshop-level training room based on simulation software of computer interlocking. The scheme not only implemented the full function simulation of computer interlocking, but also equipped with signal centralized detection simulation software and simulated and set fault scenarios of indoor and outdoor equipment, so that students could gradually master the principle and knowledge of computer interlocking. Practice proves that the construction of the training room brings great convenience to the field test and provide a scientific and reasonable means for the field maintenance of computer interlocking equipment.