An aerosol generating device , comprising: a main body , comprising a second conductive terminal ; and a heat generating assembly , comprising a heat generating body and a first conductive terminal connected to the heat generating body ; wherein when the first conductive terminal and the second conductive terminal are connected, the main body is configured to supply power to the heat generating body ; the heat generating assembly comprises first identification information, and the first identification information is configured to be identified by a server ; the main body is configured to obtain characteristic parameters provided by the server according to the first identification information and to heat the heat generating assembly according to the characteristic parameters, for further heating an aerosol generating substrate with the heat generating assembly to generate aerosol; the characteristic parameters correspond to a type of the heat generating assembly ; characterized by , the characteristic parameters comprise heat generating body parameters and heating parameters in the heat generating assembly ; the heat generating body parameters represent a corresponding relationship between a resistance value and a temperature of the heat generating body of the heat generating assembly ; the main body is further configured to detect the resistance value of the heat generating body , determine the temperature of the heat generating body according to the heat generating body parameters, and heat the heat generating assembly according to the temperature of the heat generating body and the heating parameters. a main body , comprising a second conductive terminal ; and a heat generating assembly , comprising a heat generating body and a first conductive terminal connected to the heat generating body ; wherein when the first conductive terminal and the second conductive terminal are connected, the main body is configured to supply power to the heat generating body ; the heat generating assembly comprises first identification information, and the first identification information is configured to be identified by a server ; the main body is configured to obtain characteristic parameters provided by the server according to the first identification information and to heat the heat generating assembly according to the characteristic parameters, for further heating an aerosol generating substrate with the heat generating assembly to generate aerosol; the characteristic parameters correspond to a type of the heat generating assembly ; characterized by , the characteristic parameters comprise heat generating body parameters and heating parameters in the heat generating assembly ; the heat generating body parameters represent a corresponding relationship between a resistance value and a temperature of the heat generating body of the heat generating assembly ; the main body is further configured to detect the resistance value of the heat generating body , determine the temperature of the heat generating body according to the heat generating body parameters, and heat the heat generating assembly according to the temperature of the heat generating body and the heating parameters. <EOS>