1. Difference of function: the function of the top of the door is to support, while the function of the door stopper is to hold the door and fix it so as to prevent the door from being closed due to the wind blowing or touching the door leaf.

2. Application difference: the door top is generally used for the toilet, and the door stopper is used for the bedroom or kitchen door.

3. The difference of classification: the door top is one kind, and the door stopper is divided into two kinds: permanent magnet door stopper and electromagnetic door stopper. The permanent magnet door stopper is generally used in ordinary doors and can only be controlled manually; the electromagnetic door stopper is used in fire doors and other electronic control door and window equipment, and has both manual control and automatic control functions.