Eleven-year-old girls with lung and kidney deficiencies and asthma can usually take mealybugs, but they need to pay attention to the contraindications of the drug and use it under the guidance of a doctor. Mealybugs are flat and salty in nature, mainly belonging to the lung meridian and kidney meridian, have the effect of tonifying the lungs and kidneys, assisting yang and benefiting the vital essence, and holding the breath, and are suitable for the insufficiency of the lungs and kidneys, laborious coughing and haemoptysis, and false wheezing and shortness of breath, etc. If an 11-year-old girl is in line with the disease, she is usually allowed to take this medicine. Mealybugs can be combined with Pei Mu to treat coughing and wheezing caused by lung deficiency and phlegm-heat. This medicine can also be combined with Radix Rehmanniae Praeparata to improve lung and kidney deficiency, blood in phlegm, and prolonged wheezing and loss of voice. This medicine should not be used for coughing and wheezing caused by wind-cold or solid heat. 11 year old girls should not use mealy bugs blindly, the condition must first be diagnosed by a professional Chinese medicine practitioner and the medicine must be used under the guidance of a doctor.