1. When using the fan to inflate the inflatable castle, pay attention to whether the power supply voltage is consistent with the product description. 2. The chassis should be connected to a reliable ground wire and regular inspection is required. Install the air inlet of the fan with a protective net to avoid safety accidents. 3. When collecting inflatable castles, turn off the power supply and turn on the interface of the fan and the exhaust port. The exhaust time of the castle is generally about half an hour (Depending on the size of the castle)The remaining gas should be artificially squeezed. If there is water in rainy days, you must first remove the water and dry it. 4. Inflatable castles should be cleaned and disinfected regularly. The castle can be washed with detergent. After removing stains, clean water should be used for washing and then dried. 5. If the castle is not used for a long time, it should be folded, bundled and packed after cleaning. The storage temperature should be-50 ~ 40 degrees Celsius is appropriate. And pay attention to prevent rats and insects from breaking the castle. 6. Attention should be paid to prohibiting children who are too young from playing stimulating programs. 7. Avoid excessive age difference and prevent collision accidents between older children and young children. 8. Management personnel should supervise at any time and teach children to follow the rules of the game to prevent accidents. 9. In case of weather such as wind and rain, it is forbidden to use inflatable castles in the open air to avoid accidents.