Mealybug is used for tonifying the lungs and kidneys, relieving gas and asthma, and assisting yang and spermatogenesis. It can be used for lung and kidney deficiency, asthma, cough and hemoptysis, impotence, spermatorrhea and so on. 1. Lung deficiency and cough, kidney deficiency for asthma, cough: mealybugs into the main kidney and lung meridian, long in the tonifying kidney yang, tonifying the lung gas and cough, for the treatment of cough and asthma of the key medicine. Mealybugs can replenish lung qi to stop coughing, and should be used together with maitong, diclofenac, diclofenac, etc. to nourish yin, reduce deficiency heat, suppress phlegm and stop coughing. 2. Kidney deficiency impotence, premature ejaculation of seminal thinning: mealybugs into the kidney meridian, both can replenish the kidney yang, but also benefit the kidney essence, on the kidney yang insufficiency (lack of yang qi of the kidneys), impotence due to kidney essence deficiency, premature ejaculation of seminal thinning, there is a tonic to help the kidneys and yang, solidifying and cultivating the power of the essence. It can be used alone in wine, or used together with deer antler, sea dog kidney, horny goatweed and other medicines to tonify the kidneys and benefit the essence (replenish the kidney essence in the body) and strengthen the yang. It is forbidden to be taken by those who have external wind-cold coughing. Patients are advised to use the medicine under the guidance of a doctor.