A plant monitor includes: a main control chip, a wireless communication chip connected with the main control chip, and at least one growth environment monitoring sensor connected with the main control chip. The at least one growth environment monitoring sensor includes at least one of an illumination sensor, a temperature sensor, a humidity sensor, or a soil conductivity sensor. The main control chip is configured to acquire growth environment data collected by the at least one growth environment monitoring sensor, and send the growth environment data to a mobile terminal via the wireless communication chip. The mobile terminal is configured to generate plant cultivation reference information according to the growth environment data.
