Self-waterproof support pile

The utility model provides a self-waterproof support pile which is characterized in that a pile head mechanism is mounted at the bottom end of a first support pile, second combined grooves and first combined grooves are respectively formed in the left end and the right end of the top surface of the first support pile, a flow guide pipe mechanism is mounted in front of the first support pile, and a connecting block of each first support pile mechanism is connected to a connecting groove of one second support pile mechanism in a sliding manner; according to the self-waterproof support pile, the first combination groove and the second combination groove of the second support pile mechanism are spliced into the flow guide groove structure, so that accumulated water at the top end of the self-waterproof support pile can be guided into the flow guide pipe mechanism; and then the accumulated water flows into the collecting mechanism through the flow guide pipe mechanism, so that the accumulated water is collected, a