A pot supervisory device, for monitoring a growth state of a pot, including a microprocessor, an environment-sensing module, a memory unit, a communication module, an environmental-factor control module, and a maintaining module. The environment-sensing module collects a sensing data. The memory unit stores the sensing data. The communication module transmits the sensing data to a mobile. The environmental-factor control module determines whether the sensing data is in normal state. If not, the environmental-factor control module generates a warming instruction. The maintaining module adjusts habitats of the pot when the sensing data is in abnormal state. Wherein, when the communication module receives a reading command send by the mobile, the microprocessor transmits the sensing data to the mobile.
