1. Supermarket or convenience store: Some large supermarkets or convenience stores may sell disposable underwear. You can go to the local supermarket or convenience store to find it.
2. Online shopping platforms: Many online shopping platforms, such as Amazon, JD.COM and Taobao, sell disposable underwear. You can search and buy on these platforms.
3. Pharmacies or health care products stores: Some pharmacies or health care products stores may also sell disposable underwear, so you can go to local pharmacies or health care products stores for consultation or purchase.