1. sachet refers to the medicinal powder made of aromatic drugs such as Rhizoma Atractylodis, Evodia rutaecarpa, Folium Artemisiae Argyi, Cortex Cinnamomi, Fructus Amomi, Radix Angelicae Dahuricae, etc. It is put in a special cloth bag and hung on the chest, waist and navel. It not only has a refreshing effect, but also can be used to prevent and treat many diseases. For example, coronary heart disease and angina pectoris can be ground into small bags with drugs such as Acorus gramineus, Borneolum Syntheticum, Salvia miltiorrhiza and Panax notoginseng. For patients with gastritis with spleen and stomach weakness, fragrant bags can be made from Alpinia officinarum, Radix Angelicae Dahuricae, Fructus Foeniculi and Fructus Zanthoxyli, and placed on the navel (4 inches above the umbilicus). Patients with colitis or prostatitis can also use aromatic drugs such as Rhizoma Atractylodis, Rhizoma Polygoni Cuspidati, Radix Salviae Miltiorrhizae, and Herba Agastaches to make sachets and tie them on the navel. Through drug penetration, it can directly reach the affected area through acupoints and meridians, and has the functions of promoting blood circulation, removing blood stasis, dispelling cold and relieving pain, eliminating dampness and dredging menstruation.

2. In spring, the traditional Chinese medicine disease-prevention sachet is mainly composed of honeysuckle, chrysanthemum, Eupatorium odoratum, Acorus gramineus, sandalwood and other traditional Chinese medicines, which has the functions of regulating qi and dredging collaterals, smoothing qi and blood, calming viscera, protecting health and strengthening the body.

3. Children using sachets can effectively prevent and control epidemic diseases in spring. In spring, the yang is strong, and the local qi rises. Many children are prone to get sick or relapse in spring. Putting sachets on children's chests or pillows can prevent and treat colds, flu, rhinitis, eczema and mosquito bites. Because of the strong fragrance of the drug, it can form a high-concentration small environment around the human body, stimulate the nasal mucosa, and increase the content of antibody-secreted immunoglobulin A(SIgA) on the nasal mucosa. SIgA has a strong ability to kill viruses. This sachet is suitable for a wide range of people. In addition to children, the elderly carry sachets with them, and their fragrant smell can prevent and treat cardiovascular and cerebrovascular diseases after being inhaled by the human body.

4. The folk custom of wearing sachets and fumigating wormwood during the Dragon Boat Festival is scientifically justified. After being inhaled into the human body, traditional Chinese medicine has the functions of inducing resuscitation, eliminating dampness, strengthening the spleen, removing dirt and refreshing the mind. This method is simple and feasible, and the effect of preventing and controlling spring blight is good.

5. Pay attention to waterproof and moisture-proof when using sachets, and pregnant women should use them with caution. If rash and itching occur due to direct contact with the skin, please take off the sachet, hang the sachet in a place with indoor air circulation, and apply Piyanping or Fusong ointment to local skin.