How do prevent yellow teeth from daily coffee?

Brush regularly. Brush regularly with a whitening toothpaste. Rinse your mouth with water after drinking coffee if you can't brush then.
Brush and floss. Teeth brushing and flossing is the best way to prevent enamel staining, outside of quitting coffee.

Related Questions

Pls suggest how I can whiten my yellow teeth in home....It is caused due to large consumption of tea and coffee.

White strips. No matter what you do your teeth will continue to stain if you keep drinking so much coffee and tea. So you need to change this. Using white strips at home will help lighten your teeth but is will take time. For greater results you need to see a dentist. Read more...
Yellow teeth. Can be caused by external stain such as with coffee, tea and smoking as well as internal coloration. Start by seeing your dentist for a thorough check-up and professional cleaning. Then discuss how best to whiten your teeth. There are many methods and many factors that go into determining what would be best for your specific situation. Get the facts first. Read more...