Fecal microbiota transplantation（FMT） is the core therapy targeting gut microbiota. The clinical FMT in the global is fast increasing for the treatment of gut dysbiosis related diseases. The improved methodology of FMT based on the automatic system supported washing process and the related delivering was named as washed microbiota transplantation（WMT）. The consensus report on the methodology of WMT was released in December，2019. This is a commentary on the key issues that affect the global application of Nanjing consensus on the methodology of WMT.