In order to provide a system for automatically controlling a supply of nutrient solution, wherein the system can automatically control an appropriate supply of the nutrient solution to crops, provide the operational convenience for a user, and precisely set and control the supply of the nutrient solution according to conditions. The present invention provides a system for automatically controlling a supply of nutrient solution, wherein the system comprises a sensor part, a storage part, a display part, a touch input part, a control part, and an operation part. The sensor part includes: a nutrient solution concentration sensor and an acidity sensor, which measure the state of the nutrient solution and temperature sensors, humidity sensors, and sunshine sensors, which are disposed in multiple corresponding sections where crops are grown. The sensor part detects various types of state information. The storage part stores predetermined data suitable for growth of the crops grown in the corresponding sections. The display part outputs the various types of state information detected from the sensor part, the predetermined data stored in the storage part, and operational icons in a control setting screen mode set by a user. The touch input part disposed at the front of the display part to receive touch information by a user. The control part outputs the various types of state information measured by the sensor part and the predetermined data stored in the storage part according to the control setting screen mode input from the touch input part, and compares the state information with data selected by the user to create a control command for controlling the supply of the nutrient solution. The operation part implements an operation for controlling the supply of the nutrient solution in response to the control command of the control part.COPYRIGHT KIPO 2014[Reference numerals] (AA) START(BB,DD,FF,HH,JJ) NO(CC,EE,II,KK) YES(LL) END(s10) Is a mode setting button touched?(s20)
