1-Stay at a healthy weight,even when lowering your weight 1 kg it will make a difference in triglyceride levels
-Saturated fats: Fats solid at room temperature, including animal fats, lard, butter and shortening. Also, fried foods, whole milk, whole milk dairy products, cheese, cream cheese, high-fat meats and fast foods.
-Trans fats: Hydrogenated fats found in margarine, vegetable shortening, fried foods, fast foods and most commercial snack foods such as pastries, cakes, pies, crackers, etc.
3-sugars in your diet,Concentrated sweets such as sugar, honey, molasses, jams, jellies and candy. Desserts such as pies, cakes, cookies, candy, doughnuts, ice cream, frozen yogurt and sweetened gelatin.
4-Be more active.,excercise
6-Limit alcohol, Beer, wine, hard liquor and liqueurs.
7-Beverages: Fruit juices, fruit drinks, fruit punches, regular sodas, smoothies, sports drinks and sweetened coffee drinks.
8-Other foods: Sweetened cereals, flavored yogurts and sports or energy bars
9-Starch: Concentrated starchy foods -- Bagels, pasta, rice, potatoes, large rolls, pizza, pretzels, popcorn, chips, many fat-free foods and ready-to-eat cereals. Choose small portions of these due to their high carbohydrate density. Use whole grains and legumes (starchy beans) in preference to refined starches.
You also may need medicine to help lower your triglycerides, but your doctor likely will ask you to try diet and lifestyle changes first.