A system for predicting occurrence of a pine wilt disease, the system comprising: a first moisture measurement sensor disposed on a tree for measuring first moisture information about the tree; a second moisture measurement sensor disposed in soil where the tree is located for measuring second moisture information about the soil; a sugar content measurement sensor disposed on the tree for measuring sugar content information about the tree; storage configured for receiving and storing: first moisture information about the tree measured by the first moisture measurement sensor disposed on the tree; and second moisture information about soil measured by the second moisture measurement sensor disposed in the soil where the tree is located; and sugar content information about the tree measured by the sugar content measurement sensor disposed on the tree; and a tree disease-occurrence prediction unit configured for predicting whether the pine wilt disease is to occur based on the first moisture information, the second moisture information, and the sugar content information, a GPS chip for measuring position information of the tree; and a communication unit configured for transmitting the information measured from the first and second moisture measurement sensors (11,12) and the sugar content measurement sensor, and the position information measured by the GPS chip to an external device in a low power wide area (LPWA) manner, and a battery for increasing an output of the communication unit. a first moisture measurement sensor disposed on a tree for measuring first moisture information about the tree; a second moisture measurement sensor disposed in soil where the tree is located for measuring second moisture information about the soil; a sugar content measurement sensor disposed on the tree for measuring sugar content information about the tree; storage configured for receiving and storing: first moisture information about the tree measured by the first moisture measurement sensor disposed on the tree; and second moisture information about soil measured by the second moisture measurement sensor disposed in the soil where the tree is located; and sugar content information about the tree measured by the sugar content measurement sensor disposed on the tree; and a tree disease-occurrence prediction unit configured for predicting whether the pine wilt disease is to occur based on the first moisture information, the second moisture information, and the sugar content information, a GPS chip for measuring position information of the tree; and a communication unit configured for transmitting the information measured from the first and second moisture measurement sensors (11,12) and the sugar content measurement sensor, and the position information measured by the GPS chip to an external device in a low power wide area (LPWA) manner, and a battery for increasing an output of the communication unit. first moisture information about the tree measured by the first moisture measurement sensor disposed on the tree; and second moisture information about soil measured by the second moisture measurement sensor disposed in the soil where the tree is located; and sugar content information about the tree measured by the sugar content measurement sensor disposed on the tree; and a tree disease-occurrence prediction unit configured for predicting whether the pine wilt disease is to occur based on the first moisture information, the second moisture information, and the sugar content information, a GPS chip for measuring position information of the tree; and a communication unit configured for transmitting the information measured from the first and second moisture measurement sensors (11,12) and the sugar content measurement sensor, and the position information measured by the GPS chip to an external device in a low power wide area (LPWA) manner, and a battery for increasing an output of the communication unit.