There are no clearly documented Chinese medicines with which forsythia cannot be paired. Forsythia has a bitter flavor and is slightly cold in nature. It belongs to the lung, heart and gallbladder meridians. It has the effect of clearing heat and removing toxins, eliminating carbuncles and dispersing knots. It is mainly used in treating exogenous wind-heat or the first signs of warm disease, such as fever, headache, thirst, etc., as well as all kinds of sores and carbuncles caused by heat and toxicity, or scrofula (mainly refers to cervical lymph node nodule tuberculosis) tuberculosis, etc. It is not recommended for people with weak spleen and stomach. It should be taken with caution if the spleen and stomach are weak. Patients with fever, headache, thirst, etc., belonging to external wind-heat, or various sores and carbuncles can be treated with forsythia. There is no documented contraindication of forsythia. If the patient has the above discomfort, it is recommended to go to the hospital in time, under the identification of professional physicians, prescribe the Chinese medicine prescription suitable for the patient’s constitution and condition, do not self-medication, so as not to delay the condition.