The invention discloses a smart talky pen based on WiFi connection. The pen comprises a casing, the inner side of the casing is provided with a first cavity and a second cavity, the inner side of thefirst cavity is provided with a pen head, a connecting block and a connecting rod, a battery and a control circuit board are disposed on the inner side of the second cavity, a processor, a network module, a recording module, an identification module and a controller are mounted on the control circuit board, and the front wall of the casing is provided with a speaker; the pen obtains correct pronunciations through the online network module, compares with user pronunciations, and gets rid of the limitation that traditional talky pens produce the pronunciations, a user pronounces, judging is conducted by the talky pen, places where the user is prone to making mistakes are highlighted, and the individual ability to read and write is quickly improved; the talky pen does not need to scan traditional digital information printed with two-dimensional code information, has wide applicability, can read and write any textbooks and fonts, meets use requirements of people, occupies small space and has high safety performance.