Take a car from Bazhong to Chongqing, and then fly to Haikou to go through the formalities

No, apply for the Hainan Health Code (registration information) in advance...<br/><br/>At present, the epidemic prevention level has been lowered in many places, and no special certificate is required to take the plane or train. Call the 12345 citizen hotline of the destination to learn about the latest local arrivals or return trips Personnel epidemic prevention requirements. When entering and exiting the airport station, the body temperature will be measured, the ID card will be carried, and the mask will be worn for protection. <br/><br/>Help you, please click green to accept!

As usual, you just need to bring your ID card, but you need to wear a mask, undergo a temperature check, and allow more time. <br/>     【If you find the answer useful, please click "Accept" for help, thank you! 】