1. Take out the pot-bellied cup and the straw, and divide the straw into two sections, the shorter section is the straw mouth and the longer section is the straw body.
2. Gently insert the suction port into the suction hole of the cup cover until the suction port is completely inserted.
3. Insert the straw body into the mouth of the straw until they are closely connected.
4. The end of the straw is located at the bottom of the pot-bellied cup to ensure that the liquid in the cup can be fully utilized.
5. Tighten the cover gently to ensure that the straw and the cover are installed and fastened.