The utility model relates to an automatic well water level and water temperature detector, and belongs to the field of hydrogeololgy well water level detecting technique. The automatic well water level and water temperature detector comprises a pressure temperature sensor (1), a global system for mobile communications (GSM) modem and a receiver (3), wherein the pressure temperature sensor is arranged in water under a well and is connected with the GSM modem located above the well through a signal line (6), and an output end of the GSM modem is connected with the receiver through a wireless network. The automatic well water level and water temperature detector has the advantages of carrying out automatic dynamic observational record about the water level and the water temperature, transmitting signals to an appointed command center (a smart phone or a computer) for signal processing according to a set time interval or a set alarm valve value, avoiding the situation that people need to collect signals on site, collecting dynamic information in real time, and being convenient to use and high in accuracy.