By TEM, compared with the control group, there were less fibroblast than fibro and undeveloped rough endoplasmic reticulum.

• 动物模型标本病理染色：与对照组相比，实验组注射滇丹参后，成纤维细胞减少，胶原排列趋于整齐，较疏松，纤维之间的间隙增大。