Abstract: A latch assembly of a padlock for sliding doors is provided with male and female plate members capable of effectively engaging with each other. The male member includes of a first mounting part having a plurality of screw holes and mounted to either a doorframe or a door, and a first bending part perpendicularly bent from the first mounting part. The female plate member is mounted to the remaining one of the door and the doorframe so as to vertically engage with the male member. The female plate member includes of a second mounting part having a plurality of screw holes and a second bending part vertically bent from the second mounting part. Therefore, the screw holes of the male and female plate members are respectively hidden by the second and first bending parts when the door is locked by a padlock.