Soft and hard pencils, colored pencils (common and water-soluble), pens, linear pens, stylus pens (this is the most commonly used), markers, oil pastels, chalk and watercolor pens.

paper

Drawing paper (suitable for watercolor painting, ink painting, pen pastel, marker painting, gouache, etc. )

Coated paper (for fast performance, marking and humidity performance)

Water color paper, sulfuric acid paper, whiteboard paper, sketch paper, cardboard (this is commonly used)

Drawing tool

Bending ruler (snake ruler, which is commonly used), gauge, triangle, ruler, T-square, bending plate and compass.

This is basically what you need to learn design.

Generally, you don't need to buy everything at first. Some tools can be made by yourself. In the process of learning, you will gradually get everything ready.