Dried Earthworm Di Long Guang Di Long Whole Opened Pheretima 500g Traditional Chinese Herb

Dried Earthworm, known in TCM as Di Long (地龙) or Guang Di Long (广地龙), from Pheretima aspergillum, is the dried whole body of the earthworm used in traditional Chinese herbal practice. This grade consists of whole, longitudinally opened and dried specimens, cleaned and sorted. In TCM theory, Di Long is considered cold in nature, salty in flavor, and traditionally associated with the liver, spleen, and bladder channels. It is supplied as a raw herbal ingredient for decoction or external preparation under professional guidance.

Key Selling Points

• Whole opened Guang Di Long dried earthworm bodies, cleaned and carefully sorted
• Botanical source Pheretima aspergillum, a classic animal-origin TCM material
• Traditionally valued in TCM for its cold and salty nature and channel associations
• Supplied as a raw decoction ingredient for professional herbal preparation
• Sealed dry storage with a 36-month shelf life under normal room temperature

Quality & Sensory

Typically, well-prepared Di Long appears as flattened, opened strips with a dark brown to grayish-brown outer surface and a paler inner side. The texture is firm and slightly brittle when fully dried, with a mild, characteristic earthy odor and a faintly salty taste when decocted.

Technical Specifications

Usage Scenarios

• Prepared as a traditional herbal decoction in professional TCM practice
• Ground or processed for use in classical herbal formulas
• Stored as a raw herbal ingredient for dispensary or clinical supply
• Used in external applications under the guidance of a qualified practitioner

Traditional Uses

In traditional Chinese medicine, Di Long has long been included in classical formulas, typically after processing and combined with other herbs such as Gou Teng or Tian Ma in established decoctions. Traditionally associated with clearing heat and calming internal wind, it was also used in folk practice for seasonal herbal preparations. Preparation traditionally involves careful cleaning and decoction, and use is generally guided by a qualified practitioner.

FAQ Q&A