Abstract: The authors report the LC in the cutaneous lesions of 3 cases of SLE,2 cases of DLE and 1 case of SCLE by electronmicroscopy.It was found that some of the LC were in active state,one was acrossing the basement membrane zone into the dermis.Some were in contact with or adhere to activated lymphocytes in the dermis and epidermis. The results prove that the LC plays a role in the immunopathologic response of LE.