This study aims to analyze the effect of training and human resource development on employee performance at the Capital Investment and One-Stop Integrated Service Office (DPMPTSP) of Lampung Province. This study uses a quantitative approach with a causal associative method. The population in this study were all ASN employees at DPMPTSP Lampung Province, totaling 95 people, with a sample of 30 respondents determined using the Yamane formula with a 15% error rate. The data collection technique was