The main characteristics of Xiaoshu solar term are as follows:

1. Rainfall gradually increases and the rainfall is relatively concentrated.

2. The weather is getting hotter but has not yet reached its peak.

3. Frontal thunderstorms occur in the middle and lower reaches of the Yangtze River because they are often controlled by subtropical high pressure.

The customs of the Xiaoshu solar term include the following:

1. Eating new foods: During the Xiaoshu solar term, there is a folk custom of "eating new foods". People grind newly beaten rice, wheat, etc. into flour and make various cakes and noodles, which they share with neighbors and villagers to express their wishes for a good harvest. At the same time, a portion of these foods should also be prepared to offer sacrifices to the ancestors and pray for good weather.

2. Eat summer sheep: During the Xiaoshu solar term, people in southern Shandong and northern Jiangsu will eat a traditional delicacy called summer sheep. This custom can be traced back to the Yao and Shun periods. There is a saying among the local people that "Pengcheng Fuyang has a bowl of soup without a prescription from a miracle doctor."

3. Drying clothes, paintings and calligraphy: On the sixth day of the sixth lunar month, people have the custom of drying clothes, paintings and calligraphy. It is said that after drying on this day, you can avoid being eaten by insects, so there is a popular saying of "Drying red and green on June 6th".