I. Introduction

Bird's nest, a kind of ancient nourishing beauty, has been favored by people since ancient times.

As the honor of the four traditional Chinese nourishing delicacies, bird's nest has spent hundreds of years from royal tribute, to exclusive enjoyment by the powerful, and then to flying into the homes of ordinary people. Nowadays, with the improvement of people's living standards, bird's nest has gradually entered the public's attention, and the once luxury goods have become daily maintenance products.

II. Background

Bird's nest refers to the nest formed by the saliva secreted by some swifts of two swallow orders and two swallow families and several swiftlets of the genus Swiftlet, mixed with other substances. Also known as Yan vegetable, yan root, yan vegetable.

III. A Major Source of Bird's Nest

The main producing area of a bird's nest is from the Philippines in the east to the desert islands off the coast of Myanmar in the cave, with Indonesia, Malaysia, Sandakan, Singapore and Thailand and other Southeast Asian waters and China's South China Sea islands. Because the weather and environment are most suitable for swallows, Indonesia has the best quality of bird's nest, and Indonesia has the largest production of bird's nest, followed by Malaysia.

IV. Efficacy

Bird's nest is a kind of Chinese herbal medicine, which has the functions of nourishing Yin and moistening dryness, supplementing qi and relieving phlegm and cough. It can be used clinically for diseases such as chronic deficiency, cough, phlegm and panting.