Tam Duong is the district having the largest area of planting pineapple in Vinh Phuc province. The pineapple there has its own characteristics such as carrying much water and very sweet. It is small, crispy intestine, sweet, a little sour, and very delicious.

Van Quan village, Lap Thach district, is not far from Lo river. In the past, there were no dykes like today, so every rainy season from May to October, fields were flooded. There were so many fish in the flood that people couldn’t eat all.

Planted and developed for nearly 10 years on Lap Thach hill land, red dragon fruit is considered as a golden tree for sweet fruits, helping farmers there eradicate hunger, reduce poverty and develop the family economy.

Tam Duong is famous for "Huong Dao Pineapple, Long Tri Rice". These are the two reputable agricultural products of the district. Long Tri rice originates from Long Tri village, Hop Hoa town, Tam Duong district.

Chayote is pumpkin variety; its leave is s big as two hands put together. It looks like luffa but chayote is lght greener, its body has roots stick closely to the frame; its flower is light yellow. Each stem has some male peduncles and one female peduncle. Its fruit is as big as a fist with a pear form, its skill is lumpy with soft prickle, its big seed is in thin peel. Its fruit is used as a food.

Dam Vac is in the Red River system. Its water is circulated by stream system of Vinh Phuc Province. In the lake complex with high value of tourism, Dam Vac takes an important role. Dam Vac is in the middle of Vinh Yen City having 23 main branches, which created many small lakes and ponds with its circumference of 14 km2.

In the past, at Giao Diet party (normally called as Wrestling Party) at Hoi Hop village (Hop Thinh commune) opened annually from the tenth to the fifteenth of the Lunar New Year; there was a practice of holding a cooking contest between “giap” in communal house. In the dishes of candidate, beside traditional cuisines like minced meat, spring rolls, stew soup and “mọc”, it is required to have Ball Rice Cake.

To have delicious Goi dish, it is needed to prepare seasoning: Soy bean “thinh” (rice thinh possible too), and other spice leaves such as: sung, apricot, fig, guava, polyscias fruticosa (all leaves should be not old), green banana, ginger, pepper with salted shrimp, fresh galangal root, ... Fish are washed, and peeled out fish-tail, then dewatered.

Under the French rule, “Madam Cai Cam Lean Pork Paste and Fermented Pork Roll” only sold in a small zone but it was still well-known to every place; many merchants went to Vinh Yen to buy then brought to Lao Cai or Ha Noi selling. When she transmitted her career to her son-in-law, he moved to Market Street and registered his trade mark as Phu Duc.