Three feet of ice is not a day’s worth of cold. Stroke does not occur without a reason. Internal injuries, as Chinese medicine calls them, and underlying diseases, such as hypertension, diabetes, hyperlipidemia and heart disease, as Western medicine calls them, all tend to lead to stroke. With the popularization of stroke knowledge, people have become more and more knowledgeable about how to reduce or eliminate risk factors for stroke, such as actively treating hypertension, diabetes, preventing obesity, reducing the intake of high cholesterol foods, and quitting smoking and drinking. However, for the various aura symptoms of stroke, commonly known as mini-stroke, people often do not know enough, and when the symptoms pass, they think they are well and are fine, so they don’t bother about it, which can be a big deal.