A leak-proof perfume bottle spray head assembly includes a bottle cap having a tubular holder block and a rotating shaft rotatably mounted in said tubular holder block, a positioning block having a base coupled to the rotating shaft and a sound-making unit extending along the periphery of the base, the sound-making unit having a positioning face and a retaining rib, and a spray head coupled to the rotating shaft and having a deformable rail which will be rubbed against the sound-making unit to make click sound during rotation of the rotating shaft with the spray head from the open position to the close position and a retaining portion for engagement with the retaining rib when the rotating shaft is rotated to the close position.