An anti-peeping display system, comprising: a display apparatus for displaying infrared images; and the anti-peeping display system is characterized by further comprising a wearable apparatus, the wearable apparatus comprising: at least one infrared camera for acquiring infrared images; a controller for generating at least one original image according to the infrared images; and at least one display screen for displaying the at least one original image; wherein the at least one original image is at least one visible image, and the at least one original image comprises a same image for realizing a two-dimensional display, or the at least one original image comprises two images having different viewing angles and for realizing a three-dimensional display; wherein, the display apparatus comprises an encryptor for encrypting the infrared images so as to generate encrypted infrared images; and the controller further comprises a decryptor for decrypting the encrypted infrared images or controlling the at least one infrared camera to decrypt the encrypted infrared images; wherein the infrared images comprise N initial image frames, N is a positive integer larger than or equal to 1, the encryptor is configured for generating an inverse image of each of the N initial image frames, the encrypted infrared images comprise 2N image frames, a (2K-1)-th image frame of the encrypted infrared images is a K-th initial image frame of the infrared images, and a 2K-th image frame of the encrypted infrared images is an inverse image of the (2K-1)-th image frame of the encrypted infrared images, wherein K is a positive integer larger than or equal to 1, and 1≤K≤N; the decryptor is configured for controlling a sampling frequency of the at least one infrared camera to be same as a display frequency of the initial image frames, and controlling the at least one infrared camera to only acquire odd-numbered image frames of the encrypted infrared images. a display apparatus for displaying infrared images; and the anti-peeping display system is characterized by further comprising a wearable apparatus, the wearable apparatus comprising: at least one infrared camera for acquiring infrared images; a controller for generating at least one original image according to the infrared images; and at least one display screen for displaying the at least one original image; wherein the at least one original image is at least one visible image, and the at least one original image comprises a same image for realizing a two-dimensional display, or the at least one original image comprises two images having different viewing angles and for realizing a three-dimensional display; wherein, the display apparatus comprises an encryptor for encrypting the infrared images so as to generate encrypted infrared images; and the controller further comprises a decryptor for decrypting the encrypted infrared images or controlling the at least one infrared camera to decrypt the encrypted infrared images; wherein the infrared images comprise N initial image frames, N is a positive integer larger than or equal to 1, the encryptor is configured for generating an inverse image of each of the N initial image frames, the encrypted infrared images comprise 2N image frames, a (2K-1)-th image frame of the encrypted infrared images is a K-th initial image frame of the infrared images, and a 2K-th image frame of the encrypted infrared images is an inverse image of the (2K-1)-th image frame of the encrypted infrared images, wherein K is a positive integer larger than or equal to 1, and 1≤K≤N; the decryptor is configured for controlling a sampling frequency of the at least one infrared camera to be same as a display frequency of the initial image frames, and controlling the at least one infrared camera to only acquire odd-numbered image frames of the encrypted infrared images. at least one infrared camera for acquiring infrared images; a controller for generating at least one original image according to the infrared images; and at least one display screen for displaying the at least one original image; wherein the at least one original image is at least one visible image, and the at least one original image comprises a same image for realizing a two-dimensional display, or the at least one original image comprises two images having different viewing angles and for realizing a three-dimensional display; wherein, the display apparatus comprises an encryptor for encrypting the infrared images so as to generate encrypted infrared images; and the controller further comprises a decryptor for decrypting the encrypted infrared images or controlling the at least one infrared camera to decrypt the encrypted infrared images; wherein the infrared images comprise N initial image frames, N is a positive integer larger than or equal to 1, the encryptor is configured for generating an inverse image of each of the N initial image frames, the encrypted infrared images comprise 2N image frames, a (2K-1)-th image frame of the encrypted infrared images is a K-th initial image frame of the infrared images, and a 2K-th image frame of the encrypted infrared images is an inverse image of the (2K-1)-th image frame of the encrypted infrared images, wherein K is a positive integer larger than or equal to 1, and 1≤K≤N; the decryptor is configured for controlling a sampling frequency of the at least one infrared camera to be same as a display frequency of the initial image frames, and controlling the at least one infrared camera to only acquire odd-numbered image frames of the encrypted infrared images.