Calendula officinalis drip pill specific effect time varies from person to person, the symptoms are mild, the effect is fast, the symptoms are more serious, the effect is slow, patients should follow the doctor’s instructions to use the drug. Calendula officinalis drops is a kind of proprietary Chinese medicine, the main ingredient is calendula officinalis, has the effect of opening the channels to relieve pain, activate blood circulation and eliminate blood stasis, clinically used in the treatment of coronary heart disease, angina pectoris, post-stroke sequelae caused by blood stasis. Due to the severity of different patients’ conditions, combined use of drugs, the dose of drugs and other factors, the specific time of effect can not be generalized, if the drug does not work for a long time, it is recommended to consult a doctor to adjust the medication. It should be noted that the use of Calendula officinalis drops is prohibited for those who are allergic to any components of the drug, those in the acute stage of cerebral hemorrhage, and those with bleeding tendency, and some patients may experience adverse reactions such as itching of the skin, which can be relieved by stopping the drug. Patients should follow the doctor’s instructions to take calendula officinalis drops, avoid blindly use their own medication, so as not to delay the condition.