Abstract: The present disclosure provides a sprayer. The sprayer includes the spraying part. A spraying needle penetrates a first control channel and passes through a second water channel to reach a spraying end. A control block is connected with the spraying needle, the spraying needle is fitted in with an inner wall of a second control channel to block the water passing through the second control channel, meanwhile, the control block blocks an air inlet hole, and water in a water tank is separated from the atmospheric pressure. When the spraying needle is separated from the second control channel, the control block is distal to the air inlet hole, water in the water tank is communicated with atmospheric pressure, and the water reaches the spraying end through the second control channel.