1, advantages of pasting: strong adhesion, and it does not affect the appearance when applied to the bottom, and is suitable for uneven surfaces. Disadvantages: it is more troublesome and requires tools. ?

2. Advantages of scotch tape: Scotch tape has the advantages of convenience and transparency. It is recommended to use a wide scotch tape. Disadvantages: Limited application area, not suitable for granular wall.

3. Advantages of double-sided tape: Double-sided tape can be attached to the bottom, which does not affect the appearance and is convenient to operate. Disadvantages: if there are many Spring Festival couplets, the operation is large, and the layer left on the door is not easy to clean.

4. Advantages of glue: it is sticky and the Spring Festival couplets are not suitable for being blown away. Disadvantages: easy to stick hands and limited application.