User identification method and device, equipment, storage medium and product

The invention discloses a user identification method and device, equipment, a storage medium and a product. The user identification method comprises the following steps: acquiring first identity acquisition information corresponding to a first user; based on a terminal side recognition model, similarity score values between the first identity collection information and multiple pieces of identity registration information are determined, and the identity registration information is identity information corresponding to users in a target user set and used for registration; first identity registration information with the highest similarity score value with the first identity collection information is determined from the multiple pieces of identity registration information; a target recognition threshold value of a target user corresponding to the first identity registration information is obtained, and different users correspond to different recognition threshold values; and identifying the first user based on