1. Gym: If there is a gym nearby, you can ask whether there are aerobics classes or related products for sale. Some big gyms may sell professional aerobics shoes or provide purchase channels.

2. Online shop: You can search for professional aerobics shoes on major e-commerce platforms, such as Taobao, JD.COM and Tmall. On these platforms, we can compare products of different brands and prices and choose suitable aerobics shoes.