Objective To explore the role of clinical pharmaceutical care in outpatient service of traditional Chinese medicine. Methods Two hundred patients who were not taking medicines for the first time (had received routine medication explanations) and had made an appointment for the next outpatient TCM service were randomly selected for questionnaire survey during July to October, 2021. After the intervention of clinical pharmacy care, the questionnaire survey was conducted again, and the results of the questionnaire survey of patients before and after the clinical pharmacy care were compared. Results After clinical pharmacy intervention, the scores of eight questions in the questionnaire were significantly improved (except for the awareness of taking drugs, P values of the other seven items were all <0.05). Conclusion The development of TCM clinical pharmaceutical care could effectively improve patients' safety awareness of medication safety. The patients' awareness of the use of Traditional Chinese Medicine and medication compliance had also been significantly improved. The awareness of pharmacists role in patients was enhanced. The outpatient pharmaceutical care of Traditional Chinese Medicine was effectively improved, which is important to rational drug use.