trampoline park planning industry to make money naturally many people also want to share a cup of soup. It is understood that many square and temple places in these places more recreational equipment for short-term profit for the purpose of the operators do not want to invest too much money, the equipment is not professional staff maintenance and repair. Most of the recreational equipment is from the playground out of the old equipment, or shipped from the field, short-term business credentials are not complete. Operators also lack safety awareness. Square and the temple of the indoor ropes course equipment for the trampoline and turn the horse, etc., these devices do not need to install a simple foundation, you can flow operation, this is the advantage of the equipment has been used. The children just play happy without self-protection awareness, adults do not understand the amusement equipment. In the event of dangerous consequences can not imagine. Therefore, visitors want to play the words to the regular playground, unauthorized installation of security equipment without security care to go. The market supervision and administration administration needs to strengthen the management. The existence of security risks of amusement equipment is strictly prohibited business, the children responsible for the safety.