Root irrigation device

The utility model provides a root irrigation device which comprises a liquid medicine box and a root irrigation head and is characterized in that a connecting pipe is arranged between the liquid medicine box and the root irrigation head, the root irrigation head is of a hollow structure, a groove and a plurality of water outlet holes are formed in the root irrigation head, a rubber sealing block is arranged in the groove in an elastic fit mode, a plurality of pressing rods are arranged in the root irrigation head in a sliding fit mode, and the water outlet holes are communicated with the pressing rods. The pressing rod is fixedly connected with the rubber sealing block, a limiting block and a protruding block are fixedly connected in the groove, a baffle is arranged in the groove in a sliding fit mode, and the baffle is fixedly connected with the rubber sealing block. According to the root irrigation device, the groove and the water outlet hole are formed in the root irrigation head, the rubber sealing block