Whether taking Colla Corii Asini after lung nodule surgery is good or not is mainly determined by the patient’s condition and the tolerance of the patient’s body, and the right treatment can receive good results. After lung nodule surgery, if there are symptoms of blood deficiency and bleeding, you can take Colla Corii Asini under the guidance of a professional Chinese medicine practitioner, and the specific use of medication should strictly follow the doctor’s instructions. Colla Corii Asini is sweet in flavor and flat in nature. Attributed to the lung, liver, kidney meridian. It has the effect of tonifying blood and nourishing yin, moistening dryness and stopping bleeding. It is used for blood deficiency, dizziness, palpitations, muscle atrophy, insomnia, deficiency wind, coughing, coughing, hemoptysis, vomiting and urination of blood, blood in stool and leakage (excessive menstruation or dripping), fetal leakage in pregnancy (small amount of vaginal bleeding in the early stage of pregnancy), and so on. Colla Corii Asini is used in the treatment of heart and liver blood deficiency such as pale or yellowish color, dizziness, palpitation and weakness, etc. It can be used with Angelica Sinensis, Paeonia lactiflora and Radix Rehmanniae Praeparata; it is also used in the treatment of yin deficiency with hyperactivity of yang heat, or heat illness with injury to yin, body upset and not being able to lie down, with a red tongue, dry moss, and number of pulses. Colla Corii Asini is sticky and greasy, which hinders digestion, so it should be used with caution for people with weak spleen and stomach.