Features of the enhancement near the threshold of pp mass spectrum at BES II BEs‖J∧+γpp Peak position: 0 Mev above threshold 150 “ Width 100 60M eV 8p Strong(“ Height") (s+B)B~2 The above features may 00.10.20.3 help us easily to judge whether it is observed in Mpp)-2m,(GeV) other processes.Features of the enhancement near the threshold of mass spectrum at BES II J/pp M(pp)-2mp (GeV) 0 0.1 0.2 0.3 pp BES II § Peak position: ~ 0 MeV above threshold § “Width”: ~ 60M eV § Strong (“Height”): (S+B)/B ~ 2 The above features may help us easily to judge whether it is observed in other processes