Materials The main materials for making sachets are Rhizoma Atractylodis, Rhizoma Kaempferiae, Radix Angelicae Dahuricae, Rhizoma Acori Graminei, Herba Agastaches, Eupatorium, Rhizoma Chuanxiong, Rhizoma Cyperi, Herba Menthae, Fructus Citri, Flos Magnoliae, Folium Artemisiae Argyi, Borneolum Syntheticum, Styrax, Fructus Alpinae Officinalis, Pericarpium Citri Tangerinae, and Herba Lysimachiae. The sachet body can be made of single-sided flannel and other fabrics, and the sachet body can be made into various shapes and colors as required, such as mascots, zodiac animals, cartoon characters and so on. After the filled capsule of Liuxiang sustained-release agent is sewn, it can be filled inside. The fragrance-retaining sustained-release agent is made of high molecular polymer or common silica gel and filler. The polymer can be acrylic polymer, starch polymer and other materials; The filler can be diatomite, white carbon black, etc. The ratio of high molecular polymer to real melt is 5: 1. The filling amount of fragrance-preserving sustained-release agent is about 65438 0/3 of the capsule volume. After the fragrance-preserving sustained-release agent is packaged, the mouth of the sachet is sewn, and the finished product is obtained by packaging with plastic bags or exquisite paper boxes. To add fragrance, choose your favorite perfume, add 2 times of water to dilute it, then soak the sachet in the diluted liquid, fully absorb it and take it out to dry. Another method is to soak the sachet in clear water in diluted liquid first, and then take it out to dry after it is fully absorbed. Another method is to soak the sachet in clear water for 1-2 hours, then take out the sachet body and spray the perfume stock solution directly on the sachet for full absorption.