1. Shanghai is a subtropical monsoon climate city with distinct four seasons. Generally, summer is relatively hot, winter is relatively humid and cold, and the weather changes frequently in spring and autumn. It is recommended that everyone pay attention to the weather changes, adjust their clothing and diet in a timely manner, adhere to a good lifestyle, and maintain a healthy body;

2. Shanghai is a very safe city, but it is still not recommended to go out alone or go to unfamiliar and remote areas at night. It is also recommended not going to crowded places to prevent accidents;

3. It is recommended not carrying a large amount of cash or valuables with you when going out. Mobile payment is well established in China, so it's advisable to use it more often;

4. When going out, please strictly abide by traffic regulations. If you need to purchase a motorcycle or electric vehicle, you must take registration at the police station and legally go on the road;

5. If taking a taxi, it is recommended to request a receipt from the driver and keep it well. In case any item is lost in the car or you need to file a complaint, the receipt is an important piece of evidence;

6. When purchasing and using various household appliances, please pay attention to safety and cut off the power promptly after use. Never charge electric vehicles indoors or in hallways, as it can lead to fire hazards;

7. If you encounter telecommunications fraud, stay calm. You can contact your family or teachers for guidance and assistance.

8. In China, any illegal activities related to drugs will be severely punished, including marijuana. It's a reminder to stay away from drugs in your daily life.