During menstruation, it is possible to eat bird’s nest. It is a very smooth tonic without great stimulation, rich in nutrients, including collagen, sialic acid and minerals, which can nourish blood and stop bleeding, benefit qi and nourish yin, regulate endocrine, fill essence and replenish marrow. During menstruation, women are very afraid of cold, which may lead to coldness in the uterus and painful menstruation due to blood stasis in the uterus, while bird’s nest has the function of invigorating and nourishing blood, which can accelerate the discharge of blood stasis in the uterus and relieve menstrual pain. When consumed during menstruation, it will not only not cause discomfort, but will also improve the immunity of the organism and make it easier for those with weak constitution to get through their periods.