1. A homemade tinplate is placed behind the glass bottle.

2. There is an eye-catching horizontal line on it (that is, draw a line on white paper and then stick the white paper on the iron sheet).

3. The height of the line is just the height of the upper edge of the glass bottle label. Hold the label with both hands so that the height of the label paper is flush with the background horizontal line.

4. After pasting, it is straight and highly consistent. A label is a paper label indicating the name, price and specifications of an article.