The small-scale plant essential oil extraction equipment is suitable for the water separation distillation extraction process of conventional oils and aromatic oils in plant branches, leaves, flowers, grasses, and animal materials with high oil content. The device has a sophisticated structure and is very easy to operate. The experimental plant essential oil extraction equipment is very suitable for the research and development departments of universities, research institutes, enterprises, institutions, laboratories, and pharmaceutical factories to produce multiple varieties and small batches.