The purpose of this research was to find out how much influence personal knowledge, use of technology and communication has on the implementation of knowledge management of SMEs. This research method is a quantitative method by distributing questionnaires. The subjects of this research are micro and small entrepreneurs totaling 50 respondents. Sampling technique used was side purposive. The results showed that personal knowledge partially affected the knowledge management of MSMEs, the use of technology partially affected the knowledge management of MSMEs, and communication had an effect on the knowledge management of MSMEs. Simultaneously the variables of personal knowledge, the use of technology and communication affect the knowledge management of SMEs. The most influential factor on the successful implementation of MSME knowledge management is the communication factor, because good communication in the company will be able to accelerate the transfer of knowledge which is the core of knowledge management. Keywords: Personal knowledge, technology, communication, knowledge management