A method for accessing a Wi-Fi network, characterized in that the method comprises: when a wearable device receives an instruction of a user or an electronic device, obtaining, by the wearable device, an image that comprises access information of a Wi-Fi network; and analyzing (102a1), by the wearable device, the image, obtaining (102a1) the access information of the Wi-Fi network, and sending (102a2) the access information of the Wi-Fi network to the electronic device, so that the electronic device accesses the corresponding Wi-Fi network according to the access information of the Wi-Fi network; wherein before the sending (102a2), by the wearable device, the access information of the Wi-Fi network to the electronic device, the method further comprises: determining, by the wearable device, whether the access information of the Wi-Fi network comprises a confusable number and/or letter; and the sending the access information of the Wi-Fi network to the electronic device comprises: if the access information of the Wi-Fi network comprises a confusable number and/or letter, sending, by the wearable device, all access information of the Wi-Fi network that is combined according to the confusable number and/or letter to the electronic device; or if the access information of the Wi-Fi network comprises a confusable number and/or letter, combining, by the wearable device, the access information of the Wi-Fi network according to the confusable number and/or letter, and displaying all combined access information of the Wi-Fi network; and receiving, by the wearable device, a selection instruction of the user, and sending access information, determined according to the selection instruction, of the Wi-Fi network to the electronic device. when a wearable device receives an instruction of a user or an electronic device, obtaining, by the wearable device, an image that comprises access information of a Wi-Fi network; and analyzing (102a1), by the wearable device, the image, obtaining (102a1) the access information of the Wi-Fi network, and sending (102a2) the access information of the Wi-Fi network to the electronic device, so that the electronic device accesses the corresponding Wi-Fi network according to the access information of the Wi-Fi network; wherein before the sending (102a2), by the wearable device, the access information of the Wi-Fi network to the electronic device, the method further comprises: determining, by the wearable device, whether the access information of the Wi-Fi network comprises a confusable number and/or letter; and the sending the access information of the Wi-Fi network to the electronic device comprises: if the access information of the Wi-Fi network comprises a confusable number and/or letter, sending, by the wearable device, all access information of the Wi-Fi network that is combined according to the confusable number and/or letter to the electronic device; or if the access information of the Wi-Fi network comprises a confusable number and/or letter, combining, by the wearable device, the access information of the Wi-Fi network according to the confusable number and/or letter, and displaying all combined access information of the Wi-Fi network; and receiving, by the wearable device, a selection instruction of the user, and sending access information, determined according to the selection instruction, of the Wi-Fi network to the electronic device. determining, by the wearable device, whether the access information of the Wi-Fi network comprises a confusable number and/or letter; and the sending the access information of the Wi-Fi network to the electronic device comprises: if the access information of the Wi-Fi network comprises a confusable number and/or letter, sending, by the wearable device, all access information of the Wi-Fi network that is combined according to the confusable number and/or letter to the electronic device; or if the access information of the Wi-Fi network comprises a confusable number and/or letter, combining, by the wearable device, the access information of the Wi-Fi network according to the confusable number and/or letter, and displaying all combined access information of the Wi-Fi network; and receiving, by the wearable device, a selection instruction of the user, and sending access information, determined according to the selection instruction, of the Wi-Fi network to the electronic device.