Indonesia is a country with diverse races, and its people's customs and habits are also very different. For example, Sumatrans usually like to sleep in the highlands, while Javanese prefer to sleep on the floor. An obvious feature of Indonesians is that they attach great importance to friendship, talk about old feelings, and can confide with old friends. If they are ordinary business customers or friends, although they are polite and even talk about speculation, it can only be a formal matter, which is true. Therefore, one or two meetings with Indonesians can't hold out much hope. If you want to focus on the future, you should regard Indonesian businessmen as your friends and fully show your sincerity, so as to gain his trust. In Indonesia, Islamic customs have a great influence. At present, there are more than 369, mosques and small worship temples on the islands of the country (according to the Encyclopedia of Indonesia), and there are more than 1, mosques and more than 4, small worship temples in Jakarta alone. In 1978, the Istiral Mosque, completed in the center of Jakarta, was the largest and most magnificent mosque in Southeast Asia, with a capacity of more than 1, people. In Indonesia, some mosques are not allowed to enter, and local rules must be strictly observed. People in Southeast Asian countries are generally approachable, and the way to get along with Indonesians is not to frown. Indonesians like to laugh the most. They laugh when they feel comfortable, and laugh when they finish something smoothly. Laughter is another language for them. They also like joking, and they even think that "laughing often" is a social courtesy. In Indonesia, a well-educated businessman should immediately give his business card to each other when he first meets each other. Otherwise, don't blame each other for treating each other coldly. When sitting with Indonesians, there is a habit of greeting. Indonesians meet strangers when traveling by train. If their share of food is delivered first, he must say hello to each other: "Let's come together, shall we?" The other party replied, "thank you, please use it." Indonesians think that their left hand is unclean. They are used to using their right hand and avoid using their left or both hands to pick up food and other items. Indonesians have different customs, and Javanese have mysterious beliefs and avoid talking about birthdays. Balinese women love to bare their backs to show their holiness. Guests entering the inhabited area of Shaqiang nationality must shout, otherwise they will be considered as having a bad purpose.