They will eat tender roots for food, chew off old roots for nests and empty pots of soil. ....
Therefore, to drive them away or destroy them:
① Soak dozens of cigarette butts in a catty of water, wring them out after soaking for 12 hours, and water the pot soil with cigarette butt water, which will drive them away.
(2) Put the flowerpot into the bucket and add water to drown the soil, so that the ants will escape or be drowned one after another. After half an hour, take out the flowerpot to drain the water, pinch a small number of ants that have climbed the plants, and put them in a sunny and ventilated place (the plants will be submerged 1-2 hours, no serious problem).
-The above two methods are non-toxic ant repellent methods. If the soil in the basin is irrigated with pesticides, it is harmful to plants and human health.
Supplement:
Ants not only harm the roots of plants, but also move aphids from other places to breed on plants (ants like to eat sweet dung secreted by aphids, and some people say that "aphids are sheep protected and stocked by ants".