A lighting device includes a lighting unit, a base, a lighting trim, a connecting unit, at least one pull rope, and a plurality of resilient latching members and linking members. The base and the lighting trim are disposed on respective ends of the lighting unit. The base has a receiving hole formed thereon. At least one hole is formed on a flange portion of the lighting trim and is corresponding to the at least one pull rope. The connecting unit is received by the receiving hole and connected between one end of the pull rope and the resilient latching members. The other end of the pull rope is passed through the hole. The resilient latching members are disposed around the base and corresponding to the respective linking members.