The invention relates to an embedded crop growth environment information collection instrument, and the embedded crop growth environment information collection instrument comprises a collection part, a conditioning part, a data processing part, a communication part and a storage part, which are mutually electrically connected, wherein the communication part comprises a plurality of data transmission interfaces, namely a USB (universal serial bus) bus interface, a BlueTooth bus interface and an RS (recommended standard) 485 bus interface; the BlueTooth bus interface is realized by a driver BTA10 and specifically realized by the design of combining an interface piece with a toggle switch; and the storage part comprises a nonvolatile electrically erasable data memory AT24C256. A working method based on the embedded crop growth environment information collection instrument comprises the steps of power-up start, initialization of parts, start of BlueTooth communication, command parsing, parameter setting, mode setting, writing of data into a storage space and data communication. The embedded crop growth environment information collection instrument disclosed by the invention can be used on any mobile phone or any intelligent terminal for realizing the functions of visual display of field data and instant measurement and data acquisition; and furthermore, the working method has the advantages of simple steps and convenience in use, and can reflect growth and health status of crops in a real-time manner.