Danshen Drop Pills generally refers to Compound Danshen Drop Pills, which can be taken orally or sublingually. Compound Danshen Drops Pills can be taken orally or sublingually for the treatment of angina pectoris in coronary heart disease. Generally speaking, when taken sublingually, the absorption process is completed by directly absorbing into the bloodstream through the sublingual capillaries without the need to be absorbed through the gastrointestinal tract, and the effect is usually faster, and the patient’s symptoms can be improved rapidly. Compound Danshen Drop Pills should be taken orally when treating non-proliferative diabetic retinopathy with Qi stagnation and blood stasis (blood stasis due to lack of Qi flow). Some adverse reactions may occur after taking this medicine: gastrointestinal system symptoms such as nausea, vomiting, abdominal distension, abdominal pain, diarrhea, abdominal discomfort; Skin symptoms such as rash and itching; neurological symptoms such as dizziness and headache; cardiovascular system symptoms such as palpitations (rapid heartbeat, often accompanied by panic) and chest tightness, as well as other reactions such as fatigue, dry mouth, allergy or allergic-like reactions. It should be noted that women during pregnancy and lactation should be cautious of using Fufang Danshen Dropping Pills, in addition to allergies, spleen and stomach deficiency and cold (spleen and stomach weakness and cold) should be cautious of use. The use of Compound Danshen Dropping Pills needs to be used by a traditional Chinese medicine practitioner after diagnosis, avoid self-medication to avoid causing adverse reactions.