30HB Multifunctional Environmental Investigation Drilling Rig is widely used to environmental monitoring and protection. The rig can be taken undisturbed soil samples from the surface to the deep layer and be laid small caliber groundwater observation well under the condition of not destroying the soil structure. This chapter mainly introduces 30HB Multifunctional Environmental Investigation Drilling Rig’s technical parameter、 characteristic、 main structure、 working principle and technological innovation.