In life, many people have the habit of taking Chinese and Western medicines together, thinking that they can strengthen the curative effect, but in fact this practice is not scientific. 1, the Chinese patent medicine liver pill should not be used in combination with the western medicine gastric complex: because liver pill contains peony, has antispasmodic, analgesic effect, and gastric complex can strengthen the contraction of the stomach, the two together with the opposite effect, will offset the effect of medicine. 2, the Chinese patent medicine coughing and asthma cream, ginkgo biloba tablets, and the prevention of wind and sage pill and the western medicine compound hypotensive tablets, eugenol can not be taken together: the first three contain ephedrine, will make the blood pressure rise, affecting the effect of antihypertensive. 3, the Chinese patent medicine snake bile Chuanbei liquid and medicine morphine, dulcolax, codeine can not be taken together: because the former contains bitter amygdalin, and the same toxic effects of western drugs, both inhibit respiration, the two taken together can easily lead to respiratory failure. 4, Chinese patent medicine Yi Xin Dan, Xiang Lian Wan, Chuan Bei Loa and western medicine atropine, caffeine can not be taken together: Chinese patent medicine Yi Xin Dan, Xiang Lian Wan, Chuan Bei Loa contains alkaloids, with western medicine atropine, caffeine will increase toxicity, causing drug poisoning. 5, Chinese patent medicine Yi Xin Dan, Musk Heart Protection Pill, Liu Wei Di Huang Wan should not be taken with the western drugs cardioplegia, quinidine can not be taken together: can lead to cardiac arrest. 6, the Chinese medicine tiger bone wine, ginseng wine, Shujianliu wine and western drugs such as luminal sedative painkillers can not be taken together: can strengthen the inhibitory effect on the central nervous system and dangerous. 7, Danshen tablets should not be used in combination with Gastrodia: the main components of Danshen tablets are tanshinone and tanshinol, which form aluminum conjugates with aluminum hydroxide contained in Gastrodia, which are not easily absorbed by the intestinal tract and reduce the therapeutic effect. 8, kombucha tablets should not be combined with isoniazid: kombucha tablets contain iodine, under the condition of stomach acid, oxidation with isoniazid, forming isonicotinic acid, halide and oxygen, losing the function of anti-tuberculosis bacillus. 9.Lifting Dan, Xianglian Tablet, Bayberry Loquat Syrup should not be combined with atropine, caffeine and aminophylline: because the former contains biological components such as aconite, yellow lily, bayberry, etc., taking with the latter, it is easy to increase toxicity and drug poisoning. 10, cough tablets, Tongxuan lung pills, coughing tablets should not be used in combination with digoxin: because the former contains ephedra, ephedrine has an excitatory effect on the heart, can strengthen the toxicity of digoxin on the heart, causing arrhythmia. 11, Guogong wine, strong bone wine, bone spur pain relief liquid should not be taken with aspirin: because the former contains ethanol, the combination will increase the irritation of the digestive tract, causing loss of appetite, nausea and vomiting, serious moments lead to gastrointestinal bleeding. 12, Huang Lian Shang Qing Wan should not be used in combination with lactase raw: because Huang Lian Su can significantly inhibit the vitality of lactase bacteria in lactase raw, so that it loses its digestive capacity. 13, Baohe Pill, Wu Mei Pill, Wu Wei Zi Pill should not be taken with sodium bicarbonate, aluminum hydroxide, gastric relief, aminophylline: because the former contains acidic ingredients, the latter is an alkaline western medicine, taken together with the two neutralized, will reduce the efficacy. 14, the relief of heat, niuhuang detoxification tablets should not be taken with pancreatic enzyme, pepsin, multi-enzyme tablets: because the former contains rhubarb, rhubarb powder, can be absorbed or combined in a way that inhibits the digestive effect of pepsin.