Photodynamic therapy(PDT)is a new treatment method for malignant tumors,which can be applied to a variety of tumors,so as to achieve the purpose of radical or palliative treatment.Photodynamic therapy has little trauma,strong tissue specificity,and can be repeated treatment,which plays an important role in the treatment of early or middle and advanced esophageal cancer.This paper describes in detail the indications,contraindications,management of complications and evaluation criteria of efficacy of photodynamic therapy for esophageal cancer,and reached a consensus after discussion by the expert group.