This case adopts the model of single-session acceptance and commitment therapy named “Qi Cheng Zhuan He” in Chinese, to provide psychological counseling for client who was facing major practical problems and was in a state of anxiety and depression and can only came once. The satisfaction and harvest level of the client was high, and his mentality became more positive and flexible. Under the background that most of the mainstream methods of psychotherapy and counseling come from the West, the presentation of the single-session counseling process of this case is of great significance in exploring more efficient psychological counseling methods and technologies that are more suitable for Chinese local culture and Chinese people.