Eggplant cracking in the picture is due to insufficient nutrition, long fruit hanging time and slow peel growth, but the fruit expands faster than the peel and the peel breaks, which leads to the cracking of the fruit in the second picture, eggplant rot and the infected fruit turns brown. The black mold layer grows gradually, and its disease is spread by wind and rain, and it is prone to high temperature and rainy weather. Use difenoconazole, carbofuran, thiophanate-methyl, iprodione and other drugs for prevention and treatment.