Writing on cigarettes usually required the use of special pens or writing tools to present a unique style and effect. The following are some commonly used handwriting tools: 1. Writing tool: fountain pen. A fountain pen is a traditional writing tool that uses ink as a writing medium to produce very thin lines or feather-like handwriting. Pen prices were relatively cheap, but one needed to master the technique to write beautiful words. 2. Writing tool: Brush. A writing brush was a soft writing tool that used animal hair as a writing medium to produce ball-shaped or rectangular handwriting similar to a ballpoint pen. The price of the brush was higher, but it could write very gorgeous and beautiful characters. 3. Handwriting tool: Watercolor pen. Watercolor pen was a type of paint pen that used water as a writing medium to produce rich colors and texture. Watercolor pens were more expensive but could draw very delicate and vivid pictures. 4. Handwriting tool: digital pen. The digital pen was a new type of handwriting tool that used a digital chip as a writing medium to display very clear numbers or letters. The price of the digital pen was higher, but it could quickly write complex characters and patterns in a short time. Choosing a suitable handwriting writing tool needed to be based on personal preferences and needs. It needed to be considered comprehensively according to the specific situation.