The needle will be inserted to 2-3mm in Bai Hui acupoint. For the remaining acupoints, needles will be inserted into the pad and reaching the skin. Needles will be lifted, thrusted and twirled gently for 3 times to simulate the effect of the needle tip penetrating the skin. The electronic acupuncture apparatus will be connected to the Baihui acupoint, Shang Yin Tang acupoint, and bilateral Anmian acupoints, with a continuous wave of 2 Hertz (Hz) and an electric current of 0.1-0.3 mA. In about 30 seconds, the electric current will be turned down.

Participants receive acupuncture treatment three times a week in the first two weeks and twice a week in the last six weeks.

The HADS score ranges from 0 to 42, with higher scores indicating greater anxiety and depression.

The GAD-7 self-assessment scale can be used for the preliminary evaluation of generalized anxiety symptoms. A score of 0 - 4 indicates no anxiety symptoms, a score of 5 - 9 indicates mild anxiety, a score of 10 - 14 indicates moderate anxiety, and a score of 15 or higher indicates severe anxiety.

The PHQ-9 scale is commonly used for screening depressive symptoms. This scale consists of nine items, evaluating depressive symptoms by asking how much of the time the individual has been bothered by each of the nine aspects over the past two weeks. The scoring interpretation is as follows: 0 - 4 points indicate no depressive symptoms, 5 - 9 points indicate mild depressive symptoms, 10 - 14 points indicate moderate depressive symptoms, 15 - 19 points indicate relatively severe depressive symptoms, and 20 - 27 points indicate severe depressive symptoms. It is generally considered that a PHQ-9 score of 10 or higher, or sometimes 8 or higher, is clinically significant.

The Hamilton Depression Scale (HAMD) was developed by Hamilton in 1959 and is a clinical tool used to assess anxiety symptoms. All items use a 5-point rating scale from 0 to 4, with a total score ranging from 0 to 56. The cut-off value is 14 points. Generally, a score of >14 points indicates anxiety, >29 points indicates severe anxiety, and the higher the score, the more severe the anxiety symptoms.

The Hamilton Depression Scale (HAMD) was developed by Hamilton in 1960 and is the most commonly used scale in clinical assessment of depressive states. All items are scored on a 5-point scale ranging from 0 to 4. The total score is 68. A score of 8-17 indicates mild depression, 18-24 indicates moderate depression, and a score of ≥25 indicates severe depression.

The FACT-B is a specific scale designed to measure the quality of life in breast cancer patients, with higher scores indicating worse quality of life.

The FCRI-SF score ranges from 0 to 168, with higher scores indicating a higher level of fear of cancer recurrence among cancer patients.

The BFI score ranges from 0 to 10, with higher scores indicating greater fatigue.

The ISI score ranges from 0 to 28, with higher scores indicating Insomnia Severity.

The PGI-I evaluates the overall treatment effect perceived by patients themselves. The change can be rated in 7 levels, including "very much better", "much better", "a little better", "no change", "a little worse", "much worse" or "very much worse".

Participants will be asked the question: Do you think you have received traditional electroacupuncture in the past 8 weeks?

Adherence will be assessed via counting treatment sessions. Those who complete over 80% treatment sessions will be defined as of good adherence.

The percentage of patients using other medications or therapies that may affect their anxiety and depression.

Adverse events and severe adverse events will be recorded in the case report form, whether related to interventions or not.