After the pandemic time, our population learned about how to use the internet and technology to make reunions, meetings and classes online. For this reason, some universities around the world provide online courses to make new professionals. On the other hand, all we must know and remember, is all sort of problems that we had during the pandemic time, for example: the worst connection to the internet, families did not have money to buy technological devices and children did not learn all the curriculum subjects that they needed. The following paragraphs of this essay develop ideas about the problems of online studies.