1, shielding effect: crotch cloth is a shielding cloth for Dai crotch, which can shield crotch and protect privacy.

2. Practical function: The crotch cloth is usually made of natural fiber materials such as fine linen and cotton cloth, which can absorb sweat and breathe freely, and prevent discomfort caused by sweat accumulation or friction.

3. Decorative function: crotch cloth is also an important decorative element of Dai traditional costumes, which can reflect different regional styles and national characteristics through different colors, patterns and embroidery, and emphasize the cultural connotation of Dai costumes.