Traditional Chinese medicine compound cataplasm for treating eczema and preparation method thereof

The invention discloses a traditional Chinese medicine compound cataplasm for treating eczema and a preparation method thereof, and belongs to the technical field of traditional Chinese medicine preparations and preparation methods, and the traditional Chinese medicine compound cataplasm comprises torreya grandis aril, cynanchum paniculatum and fructus cnidii. The traditional Chinese medicine has the effects of clearing heat and drying dampness, relieving itching and pain, resisting inflammation and inhibiting bacteria, and can effectively relieve and treat eczema symptoms. The preparation method comprises the following steps: extracting volatile oil from torreya grandis aril by adopting a steam distillation method, performing reflux extraction on cynanchum paniculatum by adopting an aqueous solution, and performing reflux extraction on fructus cnidii by adopting an aqueous solution. An optimal formula is obtained through a single factor experiment and an orthogonal experiment, and according to the optimized