The invention is applicable to the field of access of soil bacteria and particularly relates to a soil bacteria stock solution access apparatus, comprising an apparatus body, a preparation unit, a storage device, an access device, a conveying device, a cleaning device, a controller and a touch screen; the preparation unit is used for storing different amounts or types of soil samples, adding water to the different soil samples for stirring, and conveying a soil mixed solution produced by adding the water and stirring to the conveying device; the storage device is used for storing various types of experimental dishes; the access device is used for taking out the experimental dishes in the storage device and placing on the conveying device; the conveying device is used for conveying the experimental dishes; the cleaning device is used for cleaning and sterilizing the preparation unit. The soil bacteria stock solution access apparatus provides automatic preparation and quantitative access for different types of soil bacteria stock solutions from different areas, and allows the experimental dish types and capacities for use to be automatically selected according to the needs of experimental conditions.