The methods of making handmade flowers on National Day are as follows:

1. Making paper flowers: It is a simple and interesting method to make paper flowers with colored paper or ribbons. You can choose your favorite colors and shapes and paste them on a piece of background paper. By combining paper flowers of different sizes, beautiful bouquets can be made.

2. Make a five-star red flag: make a five-star red flag with colored paper, and then paste a big five-pointed star and four small five-pointed stars on the flag surface. You can use yellow, red and white paper to make a five-star red flag.

3. Making balloon garlands: Making balloon garlands with balloons of different colors and shapes can make you feel the atmosphere of National Day more. You can tie balloons together and decorate them with ribbons to make a beautiful garland.

4. Making paper-cuts: Making paper-cuts with scissors and colored paper is an ancient and interesting handicraft. You can try to cut out some patterns with China characteristics, such as dragons, phoenixes and peonies. Sticking paper-cut on a piece of background paper can make your work more vivid.

5. Making stickers: It is a simple and interesting method to make stickers with colored paper, ribbons, stickers and other materials. You can draw some elements of National Day on a piece of white paper, such as five-star red flag and fireworks, and then paste them on the background paper.

6. Making handmade ornaments: It is a simple and interesting method to make handmade ornaments with colored paper, ribbons, beads and other materials. You can tie different colored ribbons together and add some beads or small ornaments to make a beautiful handmade pendant.

The precautions for making handmade works are as follows:

1. Pay attention to safety. Pay attention to safety in the process of manual production to avoid injury. For example, gloves should be worn when using knives to prevent accidental injury to fingers; When using hot glue gun, you should be careful not to burn yourself; Gloves and masks should be worn when using chemicals to prevent inhalation of harmful gases.

2, choose the right material. When choosing tools and materials, we should consider the actual needs in the production process to avoid waste and unnecessary trouble. For example, if you want to make a sweater, you need tools such as wool, needles and knitting needles. Design the appearance of the work. You can design the appearance of the work in advance to facilitate the production.

3. Pay attention to details and quality. Attention should be paid to details and quality in the production process to avoid errors. For example, when drilling, you must aim at the bottom circle on the canvas to make it straight. Communicate and solve problems in time. If you encounter problems in the production process, you should communicate and solve them in time to avoid affecting the quality of the work.