Abstract: Objective:To investigate the psychotherapy effects on trichloromethyl carbonate poisoning.Methods:Forty-five patients were randomly divided into the treatment group and control group.These cases of the treatment group were treated with taking oxygen,antispasmodic,relieving asthma,expectorant,prevention infection,mechanical ventilation(for severe cases),conventional treatment combined with psychological treatment.However,cases in control group were only treated with conventional treatment.All cases were measured with Toronto Alexithymia scale,Self-Rating Anxiety Scale and Self-rating depression scale at 7 and 14 days before and after treatment,then data were conducted contrast analysis.Results:All cases had varying degrees anxiety and depression symptoms,and their differences had not statistically significant before treatment(P0.05).The anxiety and depression improved of treatment group were better than that of the control group at 7days after treatment,and the differences had statistically significant(P0.05).Before and after treatment,the degree of state of an illness of all cases had no significant difference(P0.05).Conclusions:The cases with trichloromethyl carbonate poisoning have varying degrees anxiety and depression symptoms.Conventional therapy combined with psychotherapy can shorten the course of treatment,and improve the cure rate of patients.