Sugar was put in the production process. Dictyophora dictyophora roots are native to northeast China. Because sugar is put in the production process, the bamboo shoots are sweet to eat. After a new dish is introduced, it is normal to make appropriate adjustments to meet the tastes of local people when it is spread around. For example, there are Sichuan dishes all over the world now, but they are not pure and authentic. All of them have been adjusted to improve their taste and are loved by local people.