The invention aims to provide a remote assistance method and device, and the method specifically comprises the steps of obtaining the image information of a to-be-assisted field if the communication connection between a first user device and a second user device meets a predetermined weak network triggering condition; sending the image information to the second user device; receiving the remote assistance information about the image information returned by the second user device; and presenting the remote assistance information through the first user device. According to the application, the good remote assistance can still be achieved in a weak network, the assistance efficiency can be improved while the cost is saved, meanwhile, the bandwidth/flow is greatly saved, the good remote assistance can be completed even in a 2G network, and the use experience of a user is improved.