The invention provides a terminal device trusted verification method and device, and a terminal device, applied to the technical field of trusted communication. The terminal device trusted verification method comprises the following steps: obtaining a verification password and sending the verification password to a trusted TA, so as to verify the verification password; obtaining an access token returned by the trusted TA if the verification of the verification password is passed; obtaining a signed packet by using the access token; sending a data packet to be signed and the signed packet to aserver, so as to verify the data packet to be signed and the signed packet; and performing trusted communication with the server if the verification pass information sent by the server is received. The invention can save the cost of verifying the trusted terminal device and improve the efficiency and practicability of verifying the trusted terminal device.