The leucorrhoea is the vaginal secretions of a female patient. Under normal circumstances the leucorrhoea is clear and colourless or white. It is often considered that yellowish and thick leucorrhoea may be related to gynecological diseases, including mycosis fungoides, trichomonas vaginitis, chronic cervicitis, etc. It is commonly treated with antibiotics and Chinese herbal medicines: a. Causes: 1. Mycosis fungoides: also known as Candida vaginitis, is a common inflammatory disease of the vulva and vagina. The patient often presents with leucorrhoea, which is thick, yellowish in colour and accompanied by itching of the vulva. 2. The phenomenon. The doctor should choose local suppositories or oral antibiotics for systemic treatment according to the condition and examination results. 2. It also has the function of inhibiting the growth and development of Candida albicans, which is a good relief for patients with mycosis fungoides and cervicitis. Regardless of the cause of the yellowish and thick leucorrhoea, it is important to consult a doctor before using the medicine and follow the doctor’s instructions.