Gift-Giving Taboos: When giving gifts to Chinese people, avoid sharp objects (such as knives and scissors), as they symbolize cutting off relationships. Do not give clocks, shoes, handkerchiefs, or pears, because their pronunciations in Chinese are similar to words meaning bad luck, parting, or farewell. Also, avoid gifts in sets of four, as the number 4 sounds like the word for "death" in Chinese and is considered unlucky.

Communication Taboos: Respect personal privacy and follow the "Eight Don’t Asks" principle—do not ask about others’ income, age, marital status, family property, health conditions, address, political views, or personal emotions. Avoid talking loudly in public places such as libraries, museums, and hospitals. When communicating, do not use overly direct or blunt language, and avoid making inappropriate jokes about local customs or religious beliefs.

Dining Etiquette Taboos: When using chopsticks, do not insert them vertically into the rice, as this resembles the ritual of offering food to the dead. Do not wave chopsticks around or use them to point at others. It is impolite to take food from others’ plates without permission. Also, avoid making noise while eating or drinking soup.

Color and Flower Taboos: White is mainly used for funerals and is considered an unlucky color, so avoid wearing all-white clothes on ordinary occasions. Yellow chrysanthemums and white flowers are used for funerals, so do not give them as gifts. Red is a lucky color in China, but it is not suitable for funerals or sad occasions.

Behavioral Taboos: Do not touch the heads of children, especially in Buddhist-influenced areas, as the head is considered sacred. Do not point at others with your feet or stretch your feet toward others, as feet are regarded as inferior. Avoid sitting with your legs crossed on formal occasions or when talking to elders. Do not hang clothes, especially undergarments, at the door of a residence.

Religious and Customary Taboos: Respect the religious beliefs of all ethnic groups in China. For Muslims, avoid talking about pork or serving pork in their presence. For Buddhists, avoid eating meat when dining with them. Do not enter religious sites casually; follow the relevant rules, such as wearing appropriate clothes and keeping quiet.

In short, understanding and respecting China’s cultural taboos is the key to a pleasant and smooth trip. As the Chinese saying goes, "When in Rome, do as the Romans do." By following these taboos, you will gain more respect from local people and have a better experience in China.