First, analyze the cause of the problem:
A, according to the problem, choose the layered method (such as people, machines, materials, methods, rings, etc. ).
B, according to brainstorming, find out all possible reasons (factors) of each category.
C, classify and sort out the found elements, and clarify their affiliation.
D, analysis and selection of important factors.
E. Check the description method of each element to ensure that the grammar is concise and the meaning is clear.
Second, draw the fishbone map:
Tools needed: marker, brush, drawing paper.
The first step is to draw the approximate position of the fishbone diagram with a pencil, as shown in the following figure:
Step 2, then deepen it again with a marker, as shown in the following figure:
Step 3: Then use the bifurcation of fishbone to write, as shown in the following figure:
Step 4: You can also color the fishbone to make it look more beautiful, as shown in the following figure: