There is no danger for JD.COM to buy medicine in the middle of the night and send it home. JD.COM launched 24-hour door-to-door drug delivery service, which not only met the needs of urban residents for drug use at night, but also extended the service scope for offline pharmacies, increased sales, brought more orders, reduced the operating costs of pharmacies at night and empowered them. JD.COM has nearly 4 million registered distributors in China, and 80% of orders can be delivered within 30 minutes. It is safe to send them home at midnight.