Mealybugs are used to tonify the lungs and kidneys, to relieve gas and asthma, and to support the yang and essence. Mealybug is used to treat coughing and impotence due to deficiency of the lung and kidney. Mealybugs are flat and salty in nature and belong to the lung and kidney meridians. This product is good for tonifying lung qi, benefiting essence and blood, calming wheezing and relieving cough, and is a good medicine for relieving cough and wheezing by astringing qi. Mealybug not only helps kidney yang, but also benefits essence and blood, which is used in treating deficiency of lung and kidney, coughing up blood, impotence, spermatorrhea, and so on. It is often combined with Astragalus and Ginseng in the treatment of deficiency of lung and kidney, and the deficiency of the kidney in not absorbing qi (dysfunction of the kidneys, unable to incorporate gas), such as asthma and mental lethargy. If the treatment of qi and yin deficiency (qi and yin deficiency) caused by prolonged cough and asthma, weakness and phlegm, often with astragalus, maitong, etc.. For cough and asthma caused by lung deficiency with phlegm-heat, it can be combined with Bei Mu (贝母). The adverse reactions and contraindications of this product are not clear. It is contraindicated for people with external wind-cold cough and Yang deficiency. If you need to use the medicine, you should ask the doctor for identification and use the medicine under the doctor’s guidance, do not blindly self-medication.