Watchband convenient to disassemble and watch with watchband

The invention discloses a watchband convenient to disassemble and a watch with the watchband, and solves a problem that an existing watchband is inconvenient to disassemble. The watchband comprises a first side band body, a second side band body, an ear rod and a self-locking button, wherein a locking hole is formed in the second side band body, and the locking hole is communicated with the blind hole through respective hole bodies; one end of the lug rod penetrates through the through hole of the first sideband body and is positioned in the blind hole of the second sideband body, and an avoiding notch matched with the self-locking button is formed in the end and is over against the axis of the blind hole; the self-locking button is connected into the locking hole in a sliding mode, the self-locking button is provided with an avoiding part used for avoiding the lug rod in the advancing or retreating process of the lug rod, the avoiding part is provided with a blocking part located in the avoiding notch, and t