At present, most of the existing helicopter platforms are suitable for the field of high-rise buildings, but now the safety net used for the apron of high-rise buildings is far from suitable for the field of offshore oil platforms and ships. Due to the high risk, high investment and high efficiency of offshore operation, and the great risk of offshore wind and waves is a special industry in a special environment, the safety net for helicopters of offshore oil platform shall be applicable to offshore oil platform, offshore oil exploration, military ships, etc., providing a safety guarantee for the handling of emergencies such as helicopter personnel transportation, material transfer, marine rescue, etc.