Calming, relieving stress and regulating mood. It is often used to treat insomnia, anxiety, depression and other symptoms caused by mood swings and excessive stress. It can help relieve mental tension, anxiety and depression, and promote physical and mental relaxation and rest. The mild nature of acacia makes it suitable for various symptoms caused by long-term stress, emotional problems and restlessness.

In addition, acacia also has the effect of invigorating blood and dissolving stasis, relieving swelling and pain. It is often used to treat falls and bruises, joint pain, menstrual irregularities, etc. It has the effect of reconciling qi and blood, promoting circulation, and can reduce the physical discomfort caused by qi stagnation and blood stasis.

Modern research shows that acacia is rich in active ingredients, such as flavonoids, phenolic compounds, etc., which have antioxidant, anti-inflammatory, sedative and antidepressant effects. They help relieve physical discomfort caused by inflammation, improve mood and sleep quality.

合欢花具有显著的安神、舒解压力、调节情绪的作用，常用于治疗由情绪波动、压力过大引起的失眠、焦虑、抑郁等症状。它能够帮助缓解精神紧张、焦虑症和情绪低落，促进身心的放松和休息。合欢花的温和性质使其适用于长期压力、情绪问题和心神不宁所致的各种症状。

此外，合欢花还有活血化瘀、消肿止痛的功效，常用于治疗跌打损伤、关节疼痛、月经不调等。它具有调和气血、促进循环的效果，能够减轻由气滞血瘀引起的身体不适。

现代研究表明，合欢花含有丰富的活性成分，如黄酮类、酚类化合物等，具有抗氧化、抗炎、镇静和抗抑郁的作用。它们有助于缓解由炎症引起的身体不适，改善情绪状态和睡眠质量。