The Chinese herbal tea or cold tea is a drink concocted from medicinal herbals to ease the summer heat in human's body or sore throat caused by the dry winter.

Drinking herbal tea is an age-old custom in Guangdong province, Guangxi Zhuang autonomous region, Hongkong and Macao Special Administrative Regions, where the climates are damp and hot and people living there easily suffer from excessive internal heat. In order to repel internal humidity and heat, people collect herbs which can clear away heat and dampness from mountains and valleys to concoct into herb tea.

With many years of practice, different herbal teas have been evolved for relieving different symptoms.

Herbal tea is drinkable in four seasons, which has the functions of relieving summer-heat and body's internal dampness.

Herbal teas' functions can be classified as inducing sweat, relieving syndrome of cold, moisturizing dry-heat and clearing away dampness. Herbal tea for inducing sweat and relieving internal heat is suitable for the people who suffer from excessive internal heat. Medicinal herbs honeysuckle, chrysanthemum, scutellaria are the main ingredients of this herbal tea, which is appropriate for drinking in Spring, Summer and Autumn.

Herbal tea for relieving the syndrome of cold is mainly made up by radix isatidis, suitable for drinking in four seasons.