Dalbergia hainanensis, commonly known as huanghuali, also known as "Jiangya Wood", is native to the low-altitude plains and hilly areas of Hainan Island, China, and has the functions of lowering blood pressure, lowering blood lipid, relaxing muscles and promoting blood circulation. Oral administration: Take its heartwood as medicine, soak it in sawdust, it has fragrance, and can lower blood pressure and blood lipid, and can be used for treating rheumatism, lumbago, hematemesis, heartburn and hypertension. External application: This medicinal material smells fragrant, tastes slightly bitter, has a strong burnt smell, and there is oil flowing out. It can be ground with water to treat various pains, and can also be ground for external application to relieve pain and stop bleeding. This is an excellent analgesic. Nowadays, some people like to wear wooden decorations on their hands or bodies, such as Huang Huali. In this regard, Marchy Lee, a senior engineer in the College of Forestry of Guangxi University, said that good wood can play a role in health preservation.

It is reported that the heartwood of Huanghua pear is called rosewood or rosewood, which is a kind of medicinal material. Traditional Chinese medicine Dalbergia odorifera, also known as chicken bone fragrance, is the best. The earliest record of Dalbergia odorifera in traditional Chinese medicine can be found in Zheng Ben Cao in Tang Dynasty, and Shizhen's Compendium of Materia Medica holds that Dalbergia odorifera is pungent, warm and nontoxic. Dalbergia odorifera has hemostatic, analgesic, repercussive and granulation promoting effects. Burning it can prevent airborne diseases, and children can wear it to ward off evil spirits.

It is understood that Huang Huali not only has the functions of calming the nerves and lowering blood pressure, but also has been proved by experts' research that the essential oil extracted from Huang Huali wood can stimulate cell regeneration and metabolism, nourish the skin, have excellent anti-wrinkle function on the skin, promote the regeneration of skin muscle tissue and enhance skin elasticity. Essential oil also has antibacterial, insecticidal and neurological functions.