我上了年纪后,前些年每到深秋,北风刮起时,脚后跟就会裂开,最严重时裂口有3厘米长,伤口还出血。早上起床后脚刚着地就钻心的疼痛,连行走都不方便,更谈不上出外锻炼了。一次医生朋友告诉我,可以用保鲜袋 When I was in my senior year, every autumn in previous years, when the north wind blew up, the heel broke apart. At its worst, the cleft was 3 cm long and the wound bleed. After getting up in the morning, I barely got a pain on the ground, and it was inconvenient to go walking, let alone go out to exercise. A doctor friend told me that you can use fresh-keeping bag