Xia Ku Cao Oral Liquid is a kind of Chinese patent medicine, its formula mainly includes Xia Ku Cao, which is bitter and cold in nature and belongs to liver and gall bladder meridian, mainly has the effect of clearing heat and fire, clearing liver and eyes, dispersing nodes and eliminating swelling. Therefore, Xia Ku Cao Oral Liquid is mainly used for heat evidence, as well as boils and swellings, such as wind-heat headache, wind-heat dizziness, and lymph node swelling, lymphatic tuberculosis, breast enlargement, breast swelling and pain, goiter, furuncle, scabies, carbuncle and sores caused by internal fire-heat. The common symptoms of these patients include body heat, often yellow sticky sweat, coldness and fear of heat, bad breath, unpleasant food, yellow urine, constipation and difficulty in relieving stool, once in a few days, yellow and greasy tongue coating, floating or slippery pulse. The drug is contraindicated for pregnant women, take the drug for 1 stick / time, 3 times / day, during the taking period, it is recommended to eat some easily digestible food, avoid eating spicy, stimulating food, to prevent aggravation of the disease, affecting the treatment effect.