Research evidence is emerging for acupuncture on anxiety

Anxiety disorders are the most prevalent of psychiatric disorders. In the US it is reported affecting 15.7 million people each year, and 30 million people at some point in their lives. It affects women more. Anxiety often includes feelings of fear, apprehension, and excessive anxiety energy. Anxiety tends to be chronic and is difficult to treat.

The best evidence for acupuncture's effectiveness (Pikington 2010; Pilkington 2007) comes in specific acute anxiety situations such as around medical operations (Mora 2007; Wang 2007; Gioia 2006) or dentistry (Karst 2007).

A review found that four RCTs focused on acupuncture in generalised anxiety disorder or anxiety neurosis, while six focused on anxiety in the perioperative period. All trials reported positive findings

References
https://www.acupuncture.org.uk/a-to-z-of-conditions/a-to-z-of-conditions/anxiety.html