Regarding how long lung adenocarcinoma patients need to take Rejuvenation Oral Liquid after surgery, there is no clear regulation yet. It needs to be determined according to the specific symptoms of postoperative patients. It is suggested that patients should take 2-3 doses under the guidance of professional doctors and then go to the hospital for follow-up consultation in time, and according to the development and regression of the disease, the doctors will decide to continue to take the medicine or adjust the dosage according to the evidence. Hui Sheng Oral Liquid, the name of Chinese patent medicine, consists of 34 Chinese herbs, including motherwort, safflower, peppercorns (charcoal), leeches (made), angelica, sumac, trigonelline (vinegar-roasted), amphorae, and chuanxiong. It has the efficacy of eliminating symptoms (eliminating lumps in the abdomen) and resolving blood stasis. It is used for primary liver cancer and lung cancer. Pregnant women are forbidden to take Hui Sheng Oral Liquid, and allergic persons should be cautious of taking Hui Sheng Oral Liquid. There is no clear adverse drug reaction after taking Hui Sheng Oral Liquid. Lung adenocarcinoma patients can take Huisheng Oral Liquid under the guidance of professional Chinese medicine practitioners after surgery, and the specific medication should follow the doctor’s instructions.