Hua Tangerine Red has the effects of drying dampness and resolving phlegm (removing phlegm from the body by drying dampness), regulating qi and eliminating food. It is used in treating cough and phlegm, chest and epigastric distension, food stagnation, nausea and vomiting. The adverse effects of this drug are not clear, and it is forbidden for people with qi deficiency, yin deficiency and dry cough with little phlegm. Fat Hai Hai has the effects of clearing heat and moistening the lungs (removing heat to moisturize the lungs), facilitating the pharynx and opening the voice, moistening the intestines and relaxing the bowels. It is used for lung-heat and mute voice, sore throat, cough, intestinal dryness and constipation, headache and red eyes. The adverse effects of the drug is not clear; its nature of cold, cold spleen and stomach (spleen and stomach weakness cold) diarrhea with caution. From the point of view of the efficacy of Hua Tangerine Hong and Fat Hai Hai, these two drugs are not able to eliminate lung nodules. Lung nodules are round or irregularly shaped foci with a diameter of less than or equal to 3cm in the lungs, which can be clinically categorized into benign and malignant nodules. If patients find lung nodules, they should go to the hospital as soon as possible to clarify the cause of the disease, and carry out standardized treatment, do not blindly self-medication, so as not to aggravate the condition.