First of all, prepare the following materials and tools: a bottle of detergent, a bag of sugar, a cup of water, a small bowl, a straw and the right amount of water, as shown in the picture.

1, then first pour the appropriate amount of detergent into the small bowl can be.

2, then add the right amount of sugar in a small bowl.

3. Next, make up 1/4 cup of detergent, 1/2 water and 1/5 cup of sugar.

4, then pour the sugar and detergent into the water cup separately and you're done.

5, then use a straw to stir it well.

6, the final bubble water is made, as shown in the picture.