put it in the leftmost "main washing" tank. Tools/materials: Take Haier drum automatic washing machine and laundry detergent as examples. 1. Connect the socket of Haier drum automatic washing machine first. 2. Then open the laundry detergent adding box of Haier drum automatic washing machine. 3. After that, put the laundry detergent into the laundry detergent adding box. 4. Then close the laundry detergent adding box of Haier drum automatic washing machine. 5. Secondly, turn the "on" switch of Haier drum automatic washing machine. 6. In addition, on the panel, click the Start/Add Clothes button. 1. Generally speaking, the laundry detergent is put in the boxes marked with I and II, and the remaining boxes marked with * are used to put the softener. However, the _ slot box belongs to the pre-washing box and is only used when the washing machine enters the pre-washing function, while the _ slot box is used when entering the normal washing program. 7. Finally, Haier drum automatic washing machine began to clean.