"Bitong Drink" is a summer drink invented by the ancients, which began in Wei and Jin Dynasties and flourished in Tang and Song Dynasties. "Bitong Drink" is also called Bitong Cup, Lotus Cup and Lotus Lantern. It is to pick fresh lotus leaves to hold wine, then pierce the heart of the leaves to connect the stems and leaves, and then suck wine from the stems. Scholars call it "the wine smells like lotus, and the fragrance is better than water cooling". Therefore, in ancient times, cool blue drinks were filled with lotus leaves.

The ancients also had a wonderful and fashionable drinking method, that is, they drank it with lotus leaves like straws in one breath. If you can't drink, you will be fined even if you lose a game. The person who punished the wine and the person who was punished each had their own fun, and they were all happy and full of elegance.

Common methods of ancient people to relieve summer heat

1, self-made "air-conditioned room"

In the Daming Palace in the Tang and Ming Dynasties, there was a group of palaces called "Han Liangdian". It's a room with "central air conditioning" and the refrigeration method is very advanced. First of all, it makes people feel cool, so it is necessary to avoid sunlight in architectural design.

2. Ice has been learned.

Ice guide is considered as the "black technology" product of ancient heat. Its box is divided into two layers. It is very convenient to put ice cubes on the outer layer and food inside to ensure that the food is fresh, cold and delicious, but ordinary people may not be able to afford it because they need to prepare ice cubes for storage in summer. Therefore, this fee can only be used by rich people. It is said that foreigners were attracted by this ice guide after setting up a consulate in China, and bought many for their own use.