The invention discloses a preparation method of a multifunctional five-flower 
iodine plant type 
disinfectant, and belongs to the field of 
disinfectant production. The production method comprises the following steps: taking 5% to 6% of a PVP 
iodine solution and 94% to 95% of a concentrated Chinese herbal 
medicine decocting solution as raw materials, and uniformly blending PVP 
iodine and the concentrated Chinese herbal 
medicine decocting solution inside a stirring tank so as to obtain the finished product. The product has the characteristics of simple production technology, convenient 
raw material resource, low production cost, no 
pollution and applicability of industrial production; compared with 
iodophor, the product has the effects of sterilization and disinfection, the effects of promoting 
blood circulation to 
remove blood stasis, stop bleeding, relieving pain, eliminating 
scars, promoting the healing of 
skin and 
mucous membrane wounds and the like are improved, the product is free of any 
irritability or stimulation for 
skin and mucosal tissues after being used, and the product is free of 
pollution to the environment, is applicable of disinfection of surgical spots, 
skin and mucous membranes, and has killing effects for various 
bacteria, funguses, viruses, spores and the like; the 
disinfectant is further applicable for 
aquaculture water disinfection, and is a multifunctionaliodine-containing disinfectant.