In recent years, private enterprises in Jiangsu counties have achieved remarkable results in policy support, digital infrastructure, and industrial chain upgrading through intelligent transformation, digital transformation, and industrial chain collaboration. They have gradually established a relatively complete and mature digital economic development ecosystem. However, these enterprises still face challenges such as high costs of digital transformation, shortage of digital technology talents, and difficulties in data security and privacy protection. This study explores the high-quality development paths of private enterprises in county areas from multiple aspects such as digital transformation, innovative development, and talent cultivation, with the aim of providing useful references for the high-quality development of private enterprises in county areas of Jiangsu Province and other regions.