Embodiments of the invention provide a shared vehicle unlocking method, an unlocking terminal and a smart lock, and belong to the field of shared vehicles. The shared vehicle unlocking method appliedto the unlocking terminal comprises the following steps: establishing a near-field wireless communication connection with the smart lock of a shared vehicle; judging whether the shared vehicle is available or not; transmitting an unlocking code to the smart lock based on the near-field wireless communication connection to unlock the smart lock when determining that the shared vehicle is available,wherein the unlocking code is pre-configured in the unlocking terminal and can be identified by the smart lock to make the smart lock perform an unlocking action. Thus, the invention can unlock the shared vehicle off line without additional operations on a mobile phone, eliminates a cloud data cross validation process, ensures unlocking reliability, and optimizes unlocking experience of the shared vehicles of users.