Raw materials: 10 grams of bird's nest, 100 grams of round-grained rice, 50 grams of rock sugar.

Practice: the bird's nest in cool water (pure water) until completely soaked, torn into strips and slices to keep a few times the water, into the round-grained rice, add 3 bowls of water, high-flame boiling, slow simmering for about 1 hour or so, into the rock sugar can be served after melting. Can cure lung deficiency long cough patients.