The Universal "Cure-All"
If you spend any time in China, you will notice people of all ages carrying thermoses or asking for “kāishuǐ” (boiled water) at restaurants. Whether it is a blistering summer day or a freezing winter morning, the preference for hot or warm water is one of the most visible daily habits in the country. To many Chinese, hot water is viewed as a universal remedy for everything from the common cold to fatigue.
Roots in Traditional Chinese Medicine (TCM)
The habit is deeply tied to the concepts of Yin and Yang. In Traditional Chinese Medicine, the human body is seen as a delicate balance of internal heat and cold.
- Internal Balance: Drinking cold or iced water is believed to “shock” the stomach and disrupt the body’s equilibrium, leading to sluggish digestion or even illness.
- Circulation and Digestion: Warm water is thought to promote blood circulation and help the digestive system function more smoothly, making it the default choice during or after meals.
A History of Public Health
Beyond ancient tradition, there is a very practical historical reason for this habit. In the mid-20th century, before modern water filtration systems were widespread, the Chinese government launched massive public health campaigns.
- Safe Consumption: Boiling water was promoted as the primary way to kill bacteria and parasites.
- National Promotion: Schools, factories, and offices were equipped with large boilers to provide free hot water to everyone, cementing the practice as a social and hygienic norm that continues today.
Infrastructure and Availability
The preference for hot water is reflected in China’s infrastructure. Travelers will find:
- High-Speed Trains and Airports: Every station and terminal is equipped with hot water dispensers specifically for drinking and making instant noodles.
- Offices and Hotels: Almost every hotel room in China provides an electric kettle, and office culture revolves around the shared hot water dispenser.
The Generational Shift
While the habit remains dominant, a shift is occurring among the younger generation (Gen Z). Influenced by global coffee culture and the massive popularity of milk tea shops like HeyTea or Nayuki, many young urbanites are increasingly comfortable drinking iced beverages. However, even among the youth, it is common to revert to hot water during the winter or when feeling under the weather.
Tips for Travelers
If you are visiting China and prefer cold water, you may need to specify it. When a waiter brings a glass of water, it will almost certainly be warm or hot. If you want it cold, you should ask for “bīng shuǐ” (ice water), though be prepared that many traditional restaurants may not have ice cubes on hand.
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