The invention provides an investigation device for the environment adaptability of biological invasion. The investigation device is composed of an investigation device body, a data processing center and the Internet; the investigation device body and the data processing center make data communication via the Internet; the investigation device body is composed of a water tank, a data display panel,an integrated chip, a wireless charging type shell, a signal output adapter, a searchlight, an alarm indicator light and a sealing square ring; and the integrated chip and the signal output adapter are fixed in the wireless charging type shell, the shell is nested in the water tank up and down, the sealing square ring is used for sealing, and the data display panel and the alarm indicator light are fixed on the wireless charging type shell. The investigation device for the environment adaptability of biological invasion is low in cost, rapid and instant, and provides technical support for preventing the risk of biological invasion.