The filling machine adopts the rotary filling mode. Before filling, the dry paper towel is put into the barrel, and then transmitted to the filling machine through transportation. Through the special filling valve, the disinfectant in the liquid cylinder is filled into the paper towel barrel, and the sterilized paper towel is automatically sealed by automatic capping,The disinfectant is disposed through the pre dispensing system. After filtration, the disinfectant is transported to the filling cylinder of the filling machine after filtration. The filling machine is a two in one automatic filling system.