1. Material selection: It is important to select materials suitable for high pressure environments. Hoses and fittings should be pressure-resistant enough to withstand the pressure of high-pressure working conditions. At the same time, the material also needs to have the characteristics of corrosion resistance and wear resistance to adapt to different working environments.
   
   2. Connection method: Selecting a suitable connection method is crucial to the safety of high-pressure hose connections. Threaded connection, flange connection and plug connection have their applicable scenarios. Make sure that the connection method matches the application environment and can provide a strong and reliable connection.
   
   3. Fastening force: The fastening force of the connector needs to be reasonably controlled. Too much tightening force may cause damage to the hose or fittings, while too little tightening force may cause the connection to loosen. The moderate tightening force of the connection should be ensured according to actual needs.
   
   4. Leakage prevention: Leakage of high-pressure hose connections can cause serious accidents and losses. Therefore, it is very important to ensure the tightness of the connection. Use appropriate sealing materials and sealing structures to effectively prevent leakage.
   
   5. Inspection and maintenance: Regular inspection and maintenance of high-pressure hose connections are important measures to ensure safety. Timely discovery and treatment of wear, aging, loosening or other potential problems of the connecting parts can avoid accidents.
   
   6. Pressure limitation: It is necessary to ensure that the pressure of the high-pressure hose connection does not exceed the limit of its design and use. Excessive pressure can cause damage to hoses or connections, posing a hazard.

7. Training and Awareness: Provide necessary training and education to the staff who use high-pressure hose connections to make them understand the correct operation methods and safety precautions. Cultivating good safety awareness can reduce the occurrence of accidents.

To sum up, the safety of high-pressure hose connections is an important issue that cannot be ignored in industrial applications. By selecting appropriate materials and connection methods, controlling fastening force and ensuring tightness, regular inspection and maintenance, and providing necessary training and awareness, the safety of high-pressure hose connections can be effectively ensured in engineering practice. Only by ensuring the safety and reliability of the connection can the safety of staff and equipment be guaranteed.