Dashu, one of the 24 solar terms, is the last solar term in summer. "Heat" means hot. Great heat is the most intense and hot solar term in a year. "Wet heat mixed with steam" reaches its peak at this time. Climatic characteristics of severe heat: high temperature, intense heat, frequent thunderstorms and typhoons.
Since ancient times, people have the custom of drinking herbal tea (Fu tea) during the three dog days of summer heat; As the name implies, Fu tea is the tea that is drunk in the dog days. This kind of tea made from Chinese herbal medicine has the effect of cooling and relieving the heat. In addition, there are customs such as burning incense and drying ginger. "Heatstroke" is the hottest and most humid season of the year. At this time, the focus of health care is "heatstroke prevention" and "dehumidification".
