Bacterial bacterial spotting of pepper occurs in the adult stage, and the main damage to leaves, stems, and fruits can also be affected. The diseased leaves began to appear as water-soaked, yellow-green spots and gradually expanded into round or irregular shaped spots of varying sizes. The lesions are brown on the edge, slightly elevated, and light brown in the middle, slightly sunken and rough on the surface. The lesions may fuse into larger lesions or lesions for a long time, causing leaf loss. The leaves of the seriously diseased plants almost fell, leaving only a few leaflets on the shoots, which greatly affected the yield. Stem disease, lesions were irregular streaks or plaques, after the corkation, or split into a sore shape. Onset of fruit, round or irregular herpes-like dark brown lesions. After the lesions are sore lesions, there is a crack in the edge, and there is a water-immersed halo ring. When the humidity is high, there is a little fungal pus overflow. Control methods: 80% Mancozeb WP 500 times; 72% Streptomycin Sulfate wettable powder 4000 times; or 1:1:200 Bordeaux mix 7-10 days once, successively 3-4 times. Cooling Agent, is a general term for all the chemicals that can produce cooling effects and are not strong. The most common Cooling Agent is menthol (especially L-menthol), but it should not be used in large quantities due to its strong odor and strong irritation to the skin, mucous tissue, and eyes. Therefore, many scientists have synthesized and extracted a new generation of cooling agent. WS-23,flavor,Menthol,WS-5,Koolada,WS-12 Xi'an Double H Health Technology Co., Ltd , https://www.xahnhcj.com