AIM: To explore the social support status of treadmill exercise testing( TET) in patients with suspected coronary heart disease( CHD). METHODS: A total of 109 outpatients and inpatients received TET and completed the questionnaire. Features and social support status were studied and analyzed.RESULTS: The scores of objective support,subjective support,support availability and total social support were significantly lower than those of the domestic national norm( P < 0. 01). CONCLUSION:The current social supp...