Indoor simulation device for growth of plants on rock slope of railway in high-cold region

The utility model discloses a high cold region railway rock slope plant growth indoor simulation device which comprises a box body, a rotary spraying assembly is installed on the top of the side wall of the box body, a water outlet is formed in the bottom of the side wall of the box body, and an illumination assembly is installed in the box body. A supporting column is fixedly connected in the box body, the top of the supporting column is rotatably connected with a circular truncated cone, the supporting column is provided with a first driving assembly in transmission connection with the circular truncated cone, the top of the circular truncated cone is rotatably connected with a sample placing frame, and the circular truncated cone is provided with a second driving assembly in transmission connection with the sample placing frame and a vibration simulation system. The sample placing frame is located between the spraying assembly and the water outlet, and the circular truncated cone is located below the illum