Rotten ginger is commonly referred to as ginger rot. The pathogen that causes rot mainly invades underground stems and roots, and leaves can also be affected. The fleshy stems of the victim were water stained, yellowish-brown and dull, and they gradually softened and rotted. The squeezing diseased part can flow out of the sloppy white rice soup and emit odor. The roots were also yellowish-brown and eventually rotted. The leaves were wilted and dead. The leaves were bright yellow to yellow-brown with curled edges and eventually the whole plant drooped and died. This kind of disease often causes a large area of ​​ginger rot to die and a great loss, so it is also called ginger ailment. Ginger rot disease is a kind of bacterial disease. Contaminated ginger species are the main source of primary infection. Therefore, the following measures must be taken to prevent and treat the disease. 1. Establish a disease-free farmland and choose disease-free ginger planting. Ginger was disinfected and soaked with agricultural streptomycin 2500-3000 times for 48 hours, or 30% copper oxychloride suspension 800 times for 6 hours soaking. 2. Adapt to the local conditions and change the kind of disease resistant seed and rotation. Select a high-lying, well-drained land mass, and apply hydrated lime 100-150 kilograms per acre after deep-turning, increase the ridge height, and increase phosphorus and potassium fertilizers. 3. Eradicate the diseased plants in time and sterilize the liquid or lime. The disease nest can be used for 72% agricultural streptomycin 3000-4000 times solution, 30% copper oxychloride suspension agent 800 times, 50% potassium copper carboxylate wettable powder 500 times, or 1:1:100 Bordeaux. Liquid, 500 to 1000 ml per hole, or 75 to 100 liters per acre spray liquid, every 10 days or so, a total of 2 or 3 times. China Agricultural Network Editor