Objective To observe the clinical efficacy of compound carraghenates emulsifiable plaster in postoperative perianal abscess of anal fistula.Methods Seventy-eight anal fistula patients with perianal abscess in our hospital were selected and randomly divided into control group(n=39) and treatment group(n=39).The two groups received relevant operation according to their own conditions.The control group received Shengji Yuhong plaster after operation,and the treatment group received compound carraghenates emulsifiable plaster after operation.The pain condition of perianal wound and postoperative wound healing time of the two groups were compared.Results The rate of grade 3 pain in the treatment group was obviously lower than that in the control group(P0.01).The rate of wound healing with 14 d,21 d in the treatment group were obviously higher than that in the control group(P0.05).Conclusion Compound carraghenates emulsifiable plaster for postoperative perianal abscess of anal fistula has proved effect on releasing wound pain and promoting wound repair.It′s worthy of clinical application.