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Objective:To compare the clinical effects of interactive dynamic scalp acupuncture (IDSA),simple combination therapy (SCT),and traditional scalp acupuncture (TSA) on cognitive function,depression and anxiety in patients with post-stroke cognitive impairment.Methods:A total of 660 patients with post-stroke cognitive impairment who were admitted to 3 hospitals in Shenzhen City between May 2017 and May 2020 were recruited and randomly assigned to the IDSA (218 cases),SCT (222 cases) and TSA groups (220 cases)according to a random number table.All the patients received conventional drug therapy for cerebral stroke and exercise rehabilitation training.Scalp acupuncture and computer-based cognitive training (CBCT) were performed simultaneously in the IDSA group,but separately in the moming and in the aftemoon in the SCT group.The patients in the TSA group underwent scalp acupuncture only.The course of treatment was 8 weeks.Before treatment (M0),1 (M1) and 2 months (M2) after treatment,as well as follow-up at 1 (M3) and 2 months(M4),the cognitive function of patients was assessed using the Mini-Mental State Examination (MMSE) and Montreal Cognitive Assessment Scale (MoCA) Scales;depression,anxiety,sleep quality,and self-care ability of patients were assessed using Hamilton Depression Rating Scale (HAMD),Hamilton Anxiety Rating Scale(HAMA),Pittsburgh Sleep Quality Index (PSQI),and Modified Barthel Index (MBI),respectively.During this trial,all adverse events (AEs) were accurately recorded.Results:There were no significant differences in the MMSE,MoCA,HAMD,HAMA,PSQI,and MBI scores among the 3 groups at M0 (all P＞0.05).In the IDSA group,the MMSE,MoCA and MBI scores from M2 to M4 were significantly higher than those in the SCT and TSA groups,while the HAMD,HAMA and PSQI scores were significantly reduced (all P＜0.01).The changes of all above scores (M2-M0,M4-M0) were significantly superior to those in the SCT and TSA groups (all P＜0.01,except M4-M0 of HAMD).At M2,the severity of MMSE,HAMD,HAMA,PSQI and MBI in the IDSA group was significantly lower than that in the SCT and TSA groups (all P＜0.01).There was no serious AE during this trial.Conclusions:IDSA can not only significantly improve cognitive function,but also reduce depression,anxiety,which finally improves the patient\'s self-care ability.The effect of IDSA was significantly better than SCT and TSA.(Trial registration No.ChiCTR1900027206)