Tomb Sweeping Day 清明節 is a traditional Chinese festival which falls usually occurring around April 5 of the Gregorian calendar (see Chinese calendar). The Qingming festival falls on the first day of the fifth solar term, named Qingming. Its name denotes a time for people to go outside and enjoy the greenery of springtime (踏青 Tàqīng, "treading on the greenery") and tend to the graves of departed ones.
The Cold Food Festival or Hanshi Festival 寒食节/寒食節 is a traditional Chinese holiday celebrated for three consecutive days starting the day before the Qingming Festival in the Chinese Calendar. We don't use fire to cook food. At this time of year, the sky becomes clearer and buds sprout in the field. Everyone eats "Spring Roll" which all fresh veggies inside.