Wan Wenbiao, a Guangzhou office worker, said it will help ease the city's shortage of public toilets, "and won't add much burden or expense to the departments".
Chen Huabin, a tourist from East China's Jiangsu province, said: "Visitors to Guangzhou often find it difficult to find a public toilet."
Most people end up looking for restrooms in fast-food restaurants, she added.
Beijing experiences windy weather, temperature drop