A battery module and a vehicle are provided. The battery module includes: a plurality of battery cells, where each battery cell includes a battery top cover; a thermally conductive sampling piece, where one end of the thermally conductive sampling piece fits snugly with and is fixedly connected to the battery top cover; a circuit board, disposed above the battery top cover, where another end of the thermally conductive sampling piece is connected to the circuit board; and a thermometric element, electrically connected to the circuit board, where the thermometric element is configured to collect a temperature signal of the thermally conductive sampling piece and transmit the temperature signal to the circuit board. The vehicle includes the battery module. The battery module provided in this application facilitates real-time and accurate collection of a battery temperature.