Loudspeaker and earphone interface self-adaption method and system and virtual reality equipment

The invention relates to a loudspeaker and earphone interface self-adaption method and system and virtual reality equipment, which are applied to terminal equipment, the terminal equipment comprises a controller, an audio female seat, an earphone driver and a loudspeaker driver, the controller is connected with the earphone driver, the loudspeaker driver and the audio female seat, and the loudspeaker driver is connected with the audio female seat, the audio female seat is respectively connected with the earphone driver and the loudspeaker driver, a voltage value of a pin of the audio female seat is detected through the controller, if the voltage value is within a first preset range, it is judged that a loudspeaker audio male head is inserted into the audio female seat, connection between the earphone driver and the audio female seat is cut off, and the loudspeaker driver is controlled to work to make a loudspeaker produce sound; and if the voltage value is within a second preset range, it is judged that the e