No need to wear underwear (except during menstruation). Reason: ① wear panties dance easy to reveal the edges of the panties; ② pantyhose have U-shaped crotch, change the pantyhose can achieve the hygiene function of the panties; ③ pantyhose, one-piece dance clothes and dance sarongs blocked three layers to achieve the effect of the prevention of light. In summary, it proves that it is not necessary to wear panties when dancing. But menstruation special (because if the blood leakage in the pantyhose, pantyhose is light-colored, not good to wash, so this minded people or wear panties will be better) The above is only a suggestion, wear or not to wear underwear depends on the individual.
Note: Dance panties are generally flesh-colored or white high-waisted panties (thongs are also available)