This study investigated whether health promotion intervention can effectively affect patients' satisfaction with primary health care services through questionnaire survey.

The world Health Organization in the 21st century Health Strategy plans new Vision for Human Health and Health Promotion proposed that the main way to maintain human health in the 21st century is health education. Health promotion is an important part of primary health care and the preferred strategy to solve public health problems. Evaluation of patient satisfaction is a key determinant of medical quality and has become an important issue in the evaluation of medical system. The purpose of this study was to explore the effectiveness of health promotion intervention in improving patients' satisfaction with primary health services, explore effective measures for improving patient satisfaction in different regions, and promote the rapid and balanced development of primary health services.

Design：Due to the large difference in economic conditions among different regions of Xi 'this study is divided into two parts:

Phase I: investigation in the main urban area of Xi 'an, understanding the current status of primary health services in the main urban area, and exploring the impact of health promotion on patient satisfaction.

Using Multi stage sampling, 1. Simple random method (clinic), 12 were selected from all primary health care institutions in the main urban area of Xi 'an. 2. Systematic random sampling (patients). Of the 12 institutions sampled, A systematic allocation was used to choose patient based on their registration number. Patients with odds number were assigned to the intervention group, even number was assigned to the control group using the flip coin method. Patients in the intervention group received health promotion interventions, while patients in the control group only received daily greetings. The patients' satisfaction was assessed before and after the intervention and the effectiveness of the intervention was discussed.

Phase II: Research the economically underdeveloped areas outside the main urban area of Xi 'an.

The experience of Phase I was analyzed, intervention measures were improved, an appropriate sample size was selected with the same method as in the first phase, social demographic characteristics of patients and patient satisfaction were measured before and after the investigation, the satisfaction status of patients outside the main urban area of Xi 'an on primary health services was learned, and effective intervention measures were summarized. Finally, to promote the optimal allocation of medical resources in Xi 'an and improve the fairness and accessibility of primary medical services in Xi 'an.

Inclusion Criteria:

• 18 years of age or older
• Being able to read and write in Chinese
• Owning a smartphone and knowing how to use WeChat
• Clear consciousness, can communicate normally, can understand the questionnaire correctly.

Exclusion Criteria:

·Patients with mental disorders, cognitive impairment, severe and terminal illness were unable to cooperate with this study.