1, determine the theme and goal: determine the theme and goal of pictorial, such as "healthy diet" and "balanced nutrition".

2. Collecting materials: collecting materials related to the theme, including words and pictures. Information can be obtained through books, the Internet, professional magazines and other channels.

3. Conception of layout: Design the layout and style of pictorial according to the theme and objectives. Pictures and words can be organically combined in an illustrated way.

4. Sketch: Draw a sketch according to the layout of the idea. You can use a pencil or marker to mark the position and size of each part.

5. Drawing the positive drawing: Draw the positive drawing carefully according to the sketch. You can use colored pencils, watercolors, oil pastels and other painting tools to draw a vivid and interesting picture.

6. Add text: Add relevant text to the pictorial, including title, subtitle and text. Words should be concise, vivid and interesting, and complement each other with the picture.

7. Perfecting the details: Make the final perfection and modification of the pictorial, including adjusting the color, modifying the text and adding details.

8, when drawing health and diet pictorial, need to pay attention to the following points:

Highlight the theme and key points so that the audience can see at a glance.

Use vivid pictures and words to attract the attention of the audience.

Follow the scientific and objective principles to ensure the accuracy and credibility of pictorial content.

Pay attention to the color and style of the picture to make the pictorial more beautiful and attractive.

The role of pictorial:

1, transmitting information: Pictorial is a visual communication tool, which can transmit information to the audience through images and words. It can present information in an intuitive and vivid way, making it easier for the audience to understand and remember.

2, enhance memory: Pictorial images and words can stimulate the audience's senses, making the information more prominent and profound, thus enhancing the audience's memory.

3. Stimulate interest: Pictorial can attract the audience's attention and stimulate their interest and curiosity through vivid pictures and interesting words. This kind of interest can promote the audience to know more about the information conveyed by pictorial.

4. Guiding behavior: Pictorial can guide the audience to take positive actions by presenting positive images and words. For example, it can present the benefits of a healthy diet and encourage viewers to adopt a healthy diet.

5. Promote thinking: Pictorial can promote the audience's thinking by presenting inspiring images and words. It can stimulate the audience's desire to think and explore by asking questions and presenting solutions.

6. Conveying values: Pictorial can convey specific values and cultural concepts by presenting symbolic images and words. It can convey the mainstream values and cultural traditions of society and enhance the audience's cultural identity.

7. Pictorial, as a visual communication tool, has many functions, such as transmitting information, enhancing memory, stimulating interest, guiding behavior, promoting thinking and transmitting values. It can be applied in various fields, including business, education, culture, politics and so on, providing useful information and guidance for people.