A blower, including: a motor; a tubular wind wheel, a mounting plate and a connection part. The tubular wind wheel includes a plurality of blades and a plurality of connection rings. The plurality of blades is connected to each other to form an elongated hollow body. The connection part is disposed in the elongated hollow body. The mounting plate is disposed outside one end of the tubular wind wheel. The motor is disposed on the mounting plate. At least a part of the motor extends into the elongated hollow body to connect to the connection part.