The invention discloses a traditional Chinese medicine floral water for preventing and treating mosquito and insect bites, which comprises 0.001-0.5% of dipotassium glycyrrhizinate, 0.001-0.5% of baicalin, 0.01-5% of Chinese medicinal herb extracts, wherein the Chinese medicinal herb extracts are selected from two or more of the following extracts: trumpet creeper extract, purslane extract, Chinese violet extract, wild chrysanthemum flower extract, shrubby sophora extract and Chinese dittany bark extract. The traditional Chinese medicine floral water can be prepared by using ethanol and waterwith the proportion being around 60%-85%:40%-15%, wherein the floral water further comprises 0.5%-3% of green tea essence. The traditional Chinese medicine floral water can be made into a spray or anaerosol for external use and is directly sprayed on skin when in use. The traditional Chinese medicine floral water has the effects of antibiosis, relieving itching, reducing swelling, alleviating pain, preventing mosquito, dispelling prickly heat, removing summer-heat and refreshing, and can be applied to the daily skin care of adults and children.