The invention relates to a smart wristband loading an electricity information acquisition operation and maintenance micro-classroom and a loading method. According to the technical scheme, a computer is arranged on the wristband and comprises a display screen, an alphabetical keyboard, a functional keyboard, an enter key, an on/off key and a loudspeaker; one side of the computer is provided an SD slot, a volume control key, a headset jack, the loudspeaker and a microphone, a microprocessing chip is arranged in the computer and connected with the SD slot, the microprocessing chip is also connected with the loudspeaker and the headset jack through an audio decoder, the display screen displays alphabets input through the alphabetical keyboard, the content input through the alphabetical keyboard is played through the loudspeaker via the microprocessing chip and the audio decoder, and the loudspeaker conducts regulation and control through the volume control key. The smart wristband has the advantages that a user can learn and collect specialized knowledge on his/her own by using scattered time anytime and anywhere, pertinent query is facilitated, self-learning can be conducted, and the smart wristband is small in size, convenient to carry and capable of helping to promote professional skills in acquisition operation and maintenance quickly and improving work efficiency.