Novel multifunctional trunk puncher

The utility model discloses a novel multifunctional trunk puncher which comprises a puncher. The puncher adopts a hollow drill bit, the side opening of the drill bit is saw-toothed, a handle is mounted at the side opening of the drill bit, a spring is mounted in the drill bit, the spring is controlled through a button, a wood plug in the drill bit can be ejected out, and according to the novel multifunctional trunk puncher, the hollow drill bit is mounted on a rechargeable electric drill or a conventional electric drill for use. The novel multifunctional trunk puncher is manufactured by using physical principles, combining the characters of a conventional electric hand drill in use and adopting drill steel; the novel multifunctional trunk puncher is easy to operate and very environmentally friendly; the novel multifunctional trunk puncher can be used for monitoring the occurrence quantity of injurious insect on trunks as well as occurring characteristics, and also can be used for pest control in large areas;