1. vinegar is best to choose glutinous rice white vinegar, this vinegar taste sour, not too choking.

2. papaya to pick this half-ripe skin green with yellow, cut the inside is hard, this papaya to do sour eat up enough crunch

3. with a knife on the surface of the papaya cut a number of shallow knife marks, and then leave it for 20 minutes, so that the papaya gum flow out, you can remove the bitter taste.

4. Wash the gum on the surface of the papaya, cut the papaya into thick slices of chopstick head, this kind of thickness after marinating, good taste.

5. Sprinkle 2 tablespoons of salt, slightly pickled papaya slices for more than 10 minutes, you can further remove the bitter taste of papaya.

6. Peel the pineapple, cut it lengthwise into 6 equal parts on average, then cut it into chunks and soak it in a basin of lightly salted water for 30 minutes to remove pineapple enzymes and make it safer to eat.

7. Peel the carrots and cut thick slices; Peel the cucumber slightly, remove those eyes on the surface, and then cut thick slices. Again, marinate the carrot and cucumber slices in 2 tablespoons of salt.

8.500ml vinegar pour pot on medium heat, according to the sugar: vinegar = 1:2 ratio of sugar, stirring until the sugar dissolved, and then turn off the heat and let it cool. ps: this sugar and vinegar ratio can be based on personal taste to put, like a little more acidic friends can add a little more vinegar. After boiling the vinegar, less choking flavor, more long taste. If you think it is too sour, you can reduce the amount of vinegar and replace some of the vinegar with plain water.

9. Scrub the bottle clean, pour in the boiled sweet and sour sauce; rinse the marinated fruit and vegetable slices to remove the salt flavor, and then pour them all into the bottle and refrigerate for 4~5 hours. Start enjoying the food!