Thyroid nodule category 4a can be treated with Chinese medicines that activate blood circulation and eliminate blood stasis (promote blood circulation and eliminate blood stasis in the body), reduce swelling, and soften firmness and disperse knots (soften and dissipate hard lumps), such as Xiaojin Pills, Pingxia Capsules, and Dispersing Knots and Lactation Fetish (painful lumps on the breasts that are closely related to menstrual cycles and changes in emotions and moods and equivalent to breast hyperplasia) creams. 1. Xiao Jin Wan: It has the effect of dispersing knots and eliminating swelling, resolving blood stasis and relieving pain. Clinically, it can be used to treat phlegm and qi stagnation caused by gall tumors (equivalent to thyroid tumors), breast rock (similar to breast cancer), etc., the symptoms of the skin or the skin under the lumps in one place or several places, push to be able to move, and so on. 2. Pingxiao Capsule: It has the effect of activating blood circulation and removing blood stasis, relieving pain and dispersing knots, detoxifying and relieving pain, treating tumors with certain relief of symptoms, shrinking the tumor, inhibiting the growth of tumors, improving the immunity of human body and prolonging the life of patients. 3. Dispersing Knot Breast Fetish Ointment: It has the effect of promoting qi and blood circulation, dispersing knots and subduing swelling, and is used for treating breast fetish caused by qi stagnation and blood stasis (blood stagnation due to the lack of qi circulation), which is characterized by breast lumps accompanied by breast pain and cystic hyperplasia of mammary glands with the above mentioned symptoms. If the patient is a thyroid nodule grade 4a, the patient should go to the hospital in time for consultation, regular thyroid review, listen to the doctor’s guidance and advice to targeted treatment. The above medications should be used under the guidance of a doctor, avoid self-medication.