Pulmonary nodules are mainly divided into 3 cases: ground glass nodules, partially solid nodules and solid nodules, while micro nodules are those less than 5mm in diameter, especially those less than 3mm, are called micro nodules. Micro nodules are mostly benign and are not considered for drug or surgical treatment. However, if the patient has obvious psychological effects, anxiety and sleep disturbance, special Chinese medicine can be given to soften and disperse the nodules, clear heat and detoxify the nodules, for example, the most commonly used Xihuangwan now has this effect. Xiyuang Pill is composed of four drugs, namely, artificial cowberry, artificial musk, frankincense and myrrh, and is a brand name Chinese patent medicine with the effect of clearing heat and detoxifying, softening and dispersing nodules, which is commonly used to treat various hyperplastic nodular tumors. If it is benign micro nodules can use the drug, the course of treatment for 3 months, once a day in the morning and evening, each time to take 6 capsules, the effect is not bad, you can use.