Because the oranges in Huazhou are extremely effective for colds and coughs, they can be hot or warm, because they are not very hot, and some books have introduced that they are warm. So the exocarpium citri grandis is warm.

It is warm and not hot, and its main function is to treat colds and coughs, so it is more appropriate to say that it is a warm medicinal material. In some ancient books in China, there are also corresponding introductions. Exocarpium Citri Grandis bitter in nature and pungent in nature, and has the functions of resolving phlegm, invigorating spleen, promoting digestion and relieving cough.

First, the origin of oranges:

Authentic exocarpium citri grandis is produced in Pingding Town, Huazhou City, Guangdong Province. Exocarpium Citri Grandis is planted in hilly areas. Location: Guangdong, Guangxi, Sichuan, Hunan, Hubei and Zhejiang. Oranges used as medicine in medical works refer to oranges produced locally in Huazhou.

Exocarpium Citri Grandis, this product comes from immature or nearly mature dry skin or shaft of Rutaceae plant Huazhou pomelo. The former is called "Mao" and the latter is called "Seven Claws of Light" and "Five Claws of Light". Harvest immature fruits in summer, blanch them in boiling water, cut the peel into 5 or 7 petals, remove the pulp and part of the mesocarp, press mold and dry.

Second, the historical introduction of Exocarpium Citri Grandis:

Exocarpium Citri Grandis a famous product in Huazhou City, Guangdong Province. Exocarpium Citri Grandis was first planted in the Southern and Northern Dynasties, and developed continuously in the Sui, Tang, Song and Yuan Dynasties. It enjoyed a high reputation in the Ming and Qing Dynasties and became a court tribute of the two dynasties for hundreds of years. It is difficult for people to get an orange fruit. Exocarpium Citri Grandis is a unique authentic Chinese herbal medicine in Huazhou, with a history of 1600 years. Exocarpium Citri Grandis is one of the "Four Southern Medicines" and "Ten Guangzhou Medicines" in China. It has a long-standing reputation and is known as "Southern Ginseng", and it is even more precious to achieve "a piece of gold".