Chinese Valentine's Day has the custom of dispensing medicines. People often use pine and cypress as a prescription, and even advocate loosening bait, taking cypress seeds and folding lotus leaves, and call it fairy medicine. Chinese medicine believes that long-term consumption of pine nuts can strengthen the heart, moisturize the skin and prolong life; Yu Yao Bo Jie said that it "moistens the lungs to relieve cough, moistens the intestines to relieve constipation, switches arthralgia and nourishes the skin", and Haiyao Materia Medica said that it "strengthens the body and prolongs life"; The Qing Palace also listed pine nuts as imperial meals. Bai Zi has a strong aroma, which can nourish the heart and soothe the nerves, stop sweating and moisten the intestines; "Compendium of Materia Medica" says, "All spleen-strengthening drugs are dry, while Platycladus orientalis leaves can strengthen the spleen by moistening drugs, and it is best to use both spleen-strengthening drugs". Lotus leaf can clear away heat and relieve summer heat, promote hair growth and clear yang, and cool blood to stop bleeding. Herbal Medicine in Southern Yunnan says that it can "clear away wind and heat, stop dizziness, eliminate phlegm, stop shortness of breath, stop vomiting and stop headache".
On Tanabata, some practical prescriptions are often used to treat diseases. For example, drying the juice of Sophora japonica in the sun to treat hemorrhoids, cutting the branches of Sophora japonica into small pieces, frying until the liquid medicine is green, smoking first and then washing hemorrhoids, which has the functions of clearing heat and cooling blood, clearing liver and purging fire, and has good curative effect; Stir-fried bitter gourd can cure eyes, bitter gourd can relieve summer heat and clear heat, and can cure red-eye pain. "Shengshengbian" contains "eliminating pathogenic heat, relieving fatigue, clearing heart and improving eyesight"; Picking melons to treat diarrhea, melons are listed as the top grade in this classic, and it is not recorded as "harvesting on July 7 when you are born" and "treating malaria without seeking new time".
On Tanabata, Hakka people in western Fujian are used to boiling fairy grass and wax gourd with water, and then sealing them in clean crocks to treat fever, headache, heatstroke and convulsion. This has a medical basis. Materia Medica seeks the original theory that Xianren grass can "clear away heat and relieve summer heat, clear away heat and detoxify viscera, and treat wine wind", while Materia Medica says that winter melon "removes heart fire, purges spleen fire, promotes diuresis and dispels wind, reduces swelling and quenches thirst, and relieves summer heat." Junzihe pomegranate deworming and epidemic prevention
According to legend, in the first year of Jingyou in the Northern Song Dynasty, the plague was prevalent in southern Fujian, and the people were sallow and emaciated because of illness. On Tanabata Day, the famous doctor Wu Kun advocated that everyone buy food to be a gentleman and pomegranate to repel insects. Many people ate it and the effect was remarkable. Wu Kun was later praised by the people of Fujian and Taiwan as "the Avenue Duke" and "the real immortal teacher", and he has been deeply impressed so far. This has also formed a festival custom that has been passed down to this day. Gentleman is a famous insect repellent. Compendium of Materia Medica says that "it is sweet and warm, can kill insects and benefit the spleen and stomach, so it can restrain deficiency heat and stop diarrhea, and is a medicine for children's diseases". Pomegranate peel contains alkaline substances, which have the effect of expelling insects; Fruit is rich in nutrition, which can strengthen stomach, refresh, stimulate appetite and prolong life; Pomegranate flower has the functions of hemostasis, eye washing and eyesight improvement.