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 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 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 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 . <EOS>