Multi-time pesticide supply device for preventing termites

The utility model relates to the technical field of termite killing devices, in particular to a repeated pesticide supply device for preventing termites, which comprises a plurality of branch pipes and a pesticide supply component, each branch pipe is provided with a plurality of first pesticide outlet holes, and the pesticide supply component comprises a vertical pipe and a plurality of connecting parts; the connecting part comprises a sliding block, a locking bolt and a hose; when the termite killing device is used, the vertical pipe and the branch pipe are buried in soil, the termite prevention pesticide is guided into the vertical pipe, the termite prevention pesticide in the vertical pipe is guided into the branch pipe through the hose, and the termite prevention pesticide can be discharged out of the branch pipe into the soil through the first pesticide outlet holes, so that termite killing is conducted; according to the distribution density of termites in soil, a user can slide the sliding blocks to ad