A piece of respiration aid equipment comprising a main board and a temperature control circuit for a respiration tube, said temperature control circuit being connected the main board, a power supply end of the main board is connected to a heating wire, a first control module that is connected to the temperature control circuit is disposed on the main board, wherein the temperature control circuit for a respiration tube comprises a detection module and a second control module; the detection module is connected to the second control module, and the detection module is configured to collect temperature data of the heating wire and to transmit the temperature data to the second control module; the second control module is connected to the first control module and the power supply end of the main board, and the second control module is configured to transmit a respiration tube logo and the temperature data to the first control module; and the first control module is configured to output a heating signal to the second control module according to the respiration tube logo and the temperature data, and the second control module is configured to heat and configured to control the heating wire according to the heating signal, wherein the second control module is connected to the power supply end of the main board, and connected to the first control module through the power supply end; the first control module is configured to modulate the heating signal to obtain a first modulation signal that is sent to the second control module, the second control module is configured to demodulate the first modulation signal so as to obtain a first demodulation signal for heating and controlling the heating wire, and the second control module is configured to modulate the respiration tube logo and the temperature data to obtain a second modulation signal and the second modulation signal is transmitted to the first control module; and the first control module is configured to demodulate the second modulation signal so as to obtain a second demodulation signal, characterized in that the first control module comprises a first control chip, on which a signal emission pin and a signal receiving pin are disposed; and the second control module comprises a second control chip, on which a signal emission pin, a signal receiving pin, a power pin and a heating control pin are disposed; the signal emission pin of the second control chip is connected to the signal receiving pin of the first control chip; the signal receiving pin of the second control chip is connected to the signal emission pin of the first control chip; the power pin of the second control chip is connected to the power supply end of the main board; and the heating control pin of the second control chip is configured to control the disconnection or connection between the power supply end of the main board and the heating wire. the detection module is connected to the second control module, and the detection module is configured to collect temperature data of the heating wire and to transmit the temperature data to the second control module; the second control module is connected to the first control module and the power supply end of the main board, and the second control module is configured to transmit a respiration tube logo and the temperature data to the first control module; and the first control module is configured to output a heating signal to the second control module according to the respiration tube logo and the temperature data, and the second control module is configured to heat and configured to control the heating wire according to the heating signal, wherein the second control module is connected to the power supply end of the main board, and connected to the first control module through the power supply end; the first control module is configured to modulate the heating signal to obtain a first modulation signal that is sent to the second control module, the second control module is configured to demodulate the first modulation signal so as to obtain a first demodulation signal for heating and controlling the heating wire, and the second control module is configured to modulate the respiration tube logo and the temperature data to obtain a second modulation signal and the second modulation signal is transmitted to the first control module; and the first control module is configured to demodulate the second modulation signal so as to obtain a second demodulation signal, characterized in that the first control module comprises a first control chip, on which a signal emission pin and a signal receiving pin are disposed; and the second control module comprises a second control chip, on which a signal emission pin, a signal receiving pin, a power pin and a heating control pin are disposed; the signal emission pin of the second control chip is connected to the signal receiving pin of the first control chip; the signal receiving pin of the second control chip is connected to the signal emission pin of the first control chip; the power pin of the second control chip is connected to the power supply end of the main board; and the heating control pin of the second control chip is configured to control the disconnection or connection between the power supply end of the main board and the heating wire.