In O2O teaching environment,trust-based personalized customization service is a key technology in O2O mode to provide users with intelligence and convenience.It is one of the important research contents in O2O teaching service.Combined with the characteristics of social network in O2O teaching environment,a new hybrid trust calculation algorithm is proposed,and the trust is divided into three dimensions:familiarity trust degree,social trust degree and similarity trust degree.The simulation results show that the hybrid trust algor...