The use of nano-CaCO3 filling masterbatches has always been beneficial to woven bag production companies. It can bring rich social benefits and economic benefits to woven bag production companies.  The woven bag production company continues to have even more profound influence and implications. The use of nano-calcium carbonate-filled masterbatch in production has been more and more useful in the processing of modern woven bag production companies. This requires us to adopt some methods to perfect it. Below, the author has worked on his own for many years. The experience was summarized and the use of nano-CaCO3-filled masterbatch produced in plastic woven bags was discussed.