Zi Su Ye, also known as Perillae Folium or Perilla Leaf, is an acrid, aromatic, and warm herb used in Traditional Chinese Medicine (TCM) to release the exterior, disperse cold, regulate Qi, and calm the fetus. It is particularly effective in treating wind-cold invasions with symptoms like chills, cough, and nasal congestion. Zi Su Ye is also used to harmonize digestion and prevent seafood-related food poisoning. Its warm and dispersing nature makes it useful in both respiratory and digestive patterns.
Functions & Benefits
Releases the Exterior & Disperses Cold
Zi Su Ye is commonly used in early-stage wind-cold colds or flu, especially when symptoms include chills, fever, headache, nasal congestion, and mild cough. It gently promotes sweating to release pathogens from the surface without damaging fluids.
Promotes Movement of Qi & Harmonizes the Middle Jiao
This herb helps regulate Qi in the Spleen and Stomach, making it effective for digestive issues like nausea, bloating, and poor appetite. It is often used in cases where external cold or emotional stress contributes to digestive stagnation.
Calms the Fetus
Zi Su Ye is used in formulas to calm restless fetus and treat morning sickness, especially when nausea or vomiting is due to Qi stagnation or cold in pregnancy. It is considered safe for use under professional guidance.
Detoxifies & Treats Seafood Poisoning
Zi Su Ye can be used to alleviate symptoms of mild seafood poisoning or food sensitivity. It helps regulate the stomach and disperse stagnant Qi caused by food toxins or improper digestion.
Indications
Wind-cold exterior syndrome with chills, fever, headache, or nasal congestion
Nausea, vomiting, or bloating from Qi stagnation or cold affecting digestion
Morning sickness or threatened miscarriage due to cold or Qi disharmony
Allergic reactions or mild poisoning from seafood ingestion
Digestive weakness with emotional tension or seasonal sensitivity
Tongue & Pulse Diagnosis in TCM
Tongue: Pale or normal with thin white coating
Pulse: Floating and tight in wind-cold; wiry in digestive Qi stagnation
Common TCM Patterns Treated by Zi Su Ye
Zi Su Ye treats Wind-Cold Exterior Syndrome, Qi Stagnation in the Middle Jiao, Cold in the Uterus or Stomach during pregnancy, and Mild Food Poisoning. These patterns often involve chills, nausea, digestive discomfort, or sensitivity reactions.
Precautions & Contraindications
Not suitable in cases of wind-heat or heat-type conditions without cold
Avoid in patients with excessive sweating from Qi or Yin Deficiency
Use with caution in warm or dry constitutions unless balanced with moistening herbs
Not appropriate for high fever or strong interior heat
Conclusion
Zi Su Ye is a gentle and effective herb for treating early wind-cold invasion, digestive upset, and pregnancy-related discomfort. Its aromatic and warm nature allows it to release the exterior while regulating internal Qi. It is particularly useful for nausea, mild colds, and sensitivity to food or seasonal changes. Its broad application and mild action make it a staple in both respiratory and digestive formulas.
