Perilla leaves and ginger in water can have the effect of detoxifying and dispersing cold (removing cold from the muscle surface). However, the efficacy of herbal infusion is limited and cannot be used as a substitute for medicine. Perilla leaf is the leaf of Perilla frutescens, family Labiatae, which has the effect of dispersing cold from the surface of the body, resolving phlegm and promoting the flow of qi, and tranquilizing the fetus and detoxifying the toxin, and it can be used clinically for treating wind-cold colds and flu, coughing and coughing up phlegm, nausea and vomiting, and discordant fetal qi. It should be used with caution in patients with deficiency of Yin and Qi. Ginger is pungent in flavor and warm in nature, with the effect of warming the lungs, dispersing cold, stopping vomiting and relieving cough, and can be used to treat wind-cold cold, nausea and vomiting, abdominal cold pain and other symptoms. It should not be used by patients with solid internal heat as well as Yin deficiency and internal heat. In daily life, perilla leaves and ginger in water can play a role in relieving cold, moving qi and stopping vomiting, applicable to patients with wind-cold cold, nausea and vomiting, but the effective dose of intake is not clear, so it does not have the role of treatment of disease. The efficacy of herbal infusion is limited and cannot be used as a substitute for medication. The body does not adapt to timely medical treatment, drugs should be used under the guidance of a doctor.