What should I pay attention to when traveling to Vietnam?

Vietnam tourism information. Climate Vietnam is a tropical flag-bearer climate with subtropical monsoon, abundant rainfall and high humidity. The mountainous provinces in the north have a mild climate. The average annual temperatures in some areas are: 23℃ in Hanoi, 25℃ in Hue and 26℃ in Ho Chi Minh City. The climate in Vietnam is divided into two distinct seasons, and the dry season is from June 1 1 to April of the following year. The rainy season lasts from May to 10. However, in the provinces north of Haiyun Mountains, there are four distinct seasons: spring, summer, autumn and winter. Vietnam is suitable for tourism all year round. North China: The suitable season for tourism activities is 10 to April of the following year. It's a little cold and dry at this time. South: The climate is cool all year round, with an average temperature of 27℃. Guests should bring summer hats and clothes, plus a raincoat. Please respect the local customs and habits when traveling to Vietnam, and don't talk or ask some sensitive topics at will. 2. The language of Vietnam, the main language is Vietnamese. In big cities such as Hanoi, Ho Chi Minh City, Hue and Da Nang, English and French are very common. The tour guides of various travel agencies can speak English, French, Russian, Chinese, Japanese, German and Spanish. 3. There are two voltages for hydropower supply in Vietnam:110v and 220v, but 220v is the main voltage. All tap water is filtered and disinfected. But it must be boiled (100℃) before drinking. Four. Currency Vietnamese currency issued by Vietnam National Bank includes 100, 200500, 1000, 2000, 5000, 10000, 20000, 50000 and10000. The Bank of Vietnam also issued 500,000 yuan, 65,438 yuan+0,000,000 yuan and 5,000,000 yuan as the currency of Vietnam. Traveler's checks can be converted into Vietnamese currency at the bank, and the handling fee is 1%. Credit cards (MasterCard, Visa ........) can be used in travel agencies or hotels. Foreign currency can be converted into Vietnamese dong at foreign currency exchange offices in banks, hotels, Jinbao and jewelry stores. Before leaving Vietnam, the unused Vietnamese currency can be converted into foreign currency at the airport exchange desk. Traffic tourists can travel to other provinces and cities by plane, train or car. There are planes from all continental routes every day. The train from Hanoi to Ho Chi Minh City will be suspended at the station on the road to meet tourists; At the destination, tourists can rent bicycles or motorcycles to visit and travel in various tourist attractions. In the city, there is also a kind of bus called "Xichi Road", which tourists can take to see the city scenery. 6. Airport International Airport: Inner Airport is in Hanoi, Johor Bahru Airport is in Ho Chi Minh City, and Da Nang Airport is in Da Nang City. Entry: Please bring your valid ID card (children need to bring their household registration book) for exit inspection in Vietnam. Vietnamese Customs stipulates that China tourists are not allowed to bring fruits, mobile phones and walkie-talkies into the country, otherwise they will be confiscated or fined. Cameras and advanced cameras must be declared. Tourists should carry no more than 6,000 RMB in cash and no more than 1 1,000 USD.