1. Wash the cucumber with a small brush, grab a handful of salt by hand, brush the cucumber again, rinse it with cold boiled water, and flatten the cucumber into 4 pieces with the back of a knife;
2. Cut the cracked cucumber into small pieces;
3. Pour salad oil, salt sugar, oyster sauce, balsamic vinegar and Laoganma into a bowl and mix them into seasoning;
4. Put the cucumber in a large bowl and pour in the sauce;
5. Mix cucumber and seasoning with a spoon; Cover with plastic wrap and refrigerate for one hour;
6, crispy and delicious cold cucumber is ready, suitable for summer.