The invention discloses a preparation method of a mental 
anxiety-easing, 
bacteria-inhibiting and 
insect-expelling perfume sachet. The preparation method comprises the following steps: smashing lily flowers, herba eupatorii, 
ageratum, 
dianthus, 
geranium tsingtauense and mint, thus obtaining mixed incense 
powder, adding 
polyethylene glycol and the mixed incense 
powder into water for uniform mixing, adding a 
sodium alginate solution, then sucking up a 
calcium chloride solution, dropwise adding the 
calcium chloride solution into the 
sodium alginate solution for gelatinization, adding 
carboxymethyl cellulose into a gel solution, thus obtaining a micro 
capsule wrapping perfume, finally filling a sachet body with the micro 
capsule, and tightening the sachet body with a 
rope, thus preparing the perfume sachet. The perfume sachet prepared through the preparation method can be carried by people in daily lives, and slowly release the 
pesticide effect, and the fragrance stays for 15 to 16 months, so that a long-effect slow release effect is achieved; the perfume sachet can assist people in calming mind, has the effect of easing mental 
anxiety, and also has the effects of inhibiting 
bacteria, resisting viruses and expelling insects.