The invention provides an alarm method and a mobile terminal, belonging to the technical field of communication. The alarm method specifically comprises the following steps: obtaining the grip strength information and the bending deformation degree information of a flexible screen; and transmitting alarm information when the grip strength information and the bending deformation degree informationsatisfy a first preset condition. In the embodiment of the invention, the alarm can be started by the instinctive stress reaction of the user when the user meets the danger, and the alarm informationcan be sent, so that the alarm efficiency can be improved and the personal safety of the user can be protected.