A method and system for performing a deep learning based product search obtain an input image including a target product to be searched; transform a model pose included in the input image; obtain a standard input image having the transformed pose of the model; obtain a main product image having an area including the target product by performing deep learning based on the standard input image; extract a feature vector from the main product image; perform a product search for a product similar to the target product based on the feature vector; and output a result of the product search.