Pesticide sprayer

The utility model discloses a pesticide sprayer, and aims at providing a pesticide sprayer which has convenient operation, can accurately spray fruit tree target areas, saves time and labor, and improves the working efficiency. The pesticide sprayer comprises a pesticide containing box (1) and spray pipes (2). The pesticide sprayer is characterized in that a connector (3) is arranged on the spray pipes (2) for connecting the spray pipes (2) on two sides, an exterior thread is arranged on the connector (3) and is matched with an internal thread on the left end of a telescopic pipe (4), the spray pipes (2) on the right side of the connector (3) are placed in the telescopic pipe (4), and a burner cap (5) is arranged on one end of water outlet of the spray pipes (2). The pesticide sprayer is mainly used in spraying pesticide for fruit trees.