The patients in the intervention group received systematic psychological intervention on the basis of routine nursing after admission, the main steps were as follows: 1 preoperative and postoperative psychological assessment (self-rating anxiety scale (SAS) and self-rating depression scale (SDS-RRB- to assess the psychological status of patients) , this part through medical records, face-to-fAssessmentment and questionnaire survey; Timely attention to patients' psychological state. 2 at the end of the evaluation, we can start the psychological intervention, collect the pre-intervention scale and post-intervention scale, collect the data, and make records according to the collected data, so as to carry on the follow-up work in the later period. 3 the days of hospitalization, the satisfaction of hospitalization, the expenses of hospitalization and the psychological scale were recorded, and the influence of psychological intervention on the patients was compared with the routine group.

Routine nursing care is carried out by the regular group based on the measures for VSD drainage procedure.

The intervention group provides psychological education to patients, emphasizing participation in a "Surgery Success" patient group organized by researchers, and collects successful patient cases for promotion. Patients are encouraged to learn from successful cases within the group. Psychological intervention is also provided to family members, as they are the primary caregivers, and guiding their thoughts is crucial. Timely identification of patients with psychological abnormalities is conducted, with psychological consultations if necessary. Targeted measures are taken for patients with psychological abnormalities. Upon discharge, one-on-one consultation and tracking services are provided by designated nurses to alleviate patients' feelings of helplessness and despair, continuing until the patient fully recovers.

The Self-Rating Anxiety Scale (SAS) was developed by W.K. Zung in 1971. This scale consists of 20 items reflecting subjective feelings of anxiety, with each item rated on a four-point scale based on the frequency of symptoms. The scoring criteria are as follows: "1" indicates none or very little time; "2" indicates some of the time; "3" indicates a good part of the time; "4" indicates most or all of the time.According to normative results, in China, the standard deviation cutoff for SAS is 53 points. The divisions are as follows:53 to 62 points: Mild anxiety，63 to 72 points: Moderate anxiety，Above 72 points: Severe anxiety.

The Self-Rating Depression Scale (SDS) was developed by W.K. Zung in 1965. This scale comprises 20 items reflecting subjective feelings of depression, with each item rated on a four-point scale based on the frequency of symptoms. For positively scored items, the ratings are 1, 2, 3, 4 respectively, while for negatively scored items, they are 4, 3, 2, 1. The normal upper limit for the total raw score of SDS is 41 points, with lower scores indicating better states. The standard score is obtained by multiplying the total raw score by 1.25 and taking the integer part. The standard deviation cutoff for SDS is 53 points. The divisions are as follows:53 to 62points:Mild depression，63 to 72 points: Moderate depression，Above 73 points: Severe depression.

The satisfaction was calculated using our hospital's unified discharge satisfaction questionnaire for inpatients. Each item is rated on a scale of 1 to 5, with a total of 20 items and a maximum score of 100 points. Scores above 95 are considered satisfied, scores between 90 and 95 are deemed basically satisfied, and scores below 90 indicate dissatisfaction.