1. India ink is made in China.

2. Objective To evaluate the effectiveness of endoscopic India ink marking technique in laparoscopic colorectal cancer surgery.

3. RESULTS By intravascular injection of India ink, a number of regenerative blood vessels gathered around the implanted material and began to grow into the material at the 2nd week after the operation.

4. As India ink and color are eastern unique expression material, I have affected 20 years.

5. Negative staining requires the use of an acidic stain such as India ink.

6. In the preparations of cerebrospinal fluid mixed with a drop of India ink, the yeast cell can be seen microscopically to be surrounded by a wide, unstained capsule.

7. Materials and Methods: The findings of CT and MRI were retrospectively analyzed in 26 cases with India ink capsule staining proved CM.