Bird’s nest is best absorbed when the body is fasting, so the best time to take bird’s nest is in the morning or at night before going to bed on an empty stomach. Bird’s nest is rich in collagen, minerals, fructose, amino acids and other nutrients, which can nourish Yin, moisten lung, replenish Qi and blood, nourish liver and improve eyesight, and improve beauty. It can enhance the immunity of the body, increase nutrition, and strengthen the resistance of the fetus for women preparing for pregnancy and maternity. It is common to soak bird’s nest in cool water for 1-2 hours and then stew it for 30 minutes. The duration of consumption varies according to the health condition of the people taking the bird’s nest supplement. When consuming bird’s nest, symptoms such as diarrhea, allergy, and aggravation of infection may occur. Therefore, when these conditions occur, you should stop consuming the bird’s nest immediately and go to the Chinese medicine internal medicine department of the hospital for treatment.