A box-type pet dryer is provided, by using a unitization and modularization technique of an electric control device and a casing. An electric control device has a function to adjust air volume and temperature by a temperature sensor and controls a rotational speed of a fan motor by a humidity sensor. A partition plate is provided to divide between the electric control device and a side opening part of the casing A filtered window is attached to the partition plate, and a warm air discharge port is formed in a lower part of the partition plate. A door is attached to a front surface of the casing, and a side plate is attached to a side surface opposite from the side opening part. The pet dryer is configured to be easily assemblable and disassemblable by coupling the electric control device and the casing at the side opening part.
