Paper feeding channel structure and receipt printer

The invention provides a paper feeding channel structure and a receipt printer, and relates to the field of printers. The problem that paper jam is prone to occurring after a paper feeding channel is used for a long time can be solved. The paper feeding channel structure comprises a machine base, a first blocking part and a second blocking part, wherein the machine base is provided with the paper feeding channel, and the two side walls of the paper feeding channel are provided with a first side wall and a second side wall respectively; and the first blocking part and the second blocking part are arranged at the two sides of the paper feeding channel respectively, the first blocking part is used for preventing printing paper from being scraped into the first side wall, and the second blocking part is used for preventing the printing paper from being scraped into the second side wall. The first blocking part can prevent the printing paper from being scraped into the first side wall and can prevent the printing