Bird’s nest and fish gelatin are both very good tonic products, but they are suitable for different groups of people. Bird’s nest is suitable for patients with Qi-Yin deficiency in the upper and middle jiao, while fish gelatin is suitable for patients with Yin-Blood deficiency in the middle or small jiao. Bird’s nest is more suitable for patients with deficiency of lung yin, cough, dry cough, or deficiency of middle qi and weak spleen and stomach, as it has the effect of nourishing yin and moistening lung, benefiting qi and nourishing middle. Fish gelatin is more suitable for patients with deficiency of liver and kidney, and also has some therapeutic effect for patients with deficiency of spleen and stomach. Simply put, fish gelatin is more suitable for people with soreness and weakness of the waist and knees, as well as lack of yin fluid, lack of facial color and larger tongue, while bird’s nest is more suitable for people with cough, dry cough and weakness, so there is a difference in the therapeutic focus of bird’s nest and fish gelatin.