Silkworms cannot be put into moths on mulberry trees. After the silkworm becomes a moth, its life activities, behavior characteristics and host needs have changed greatly. The food is mainly nectar, not mulberry leaves, so silkworms cannot be put into mulberry trees. Silkworm is the larva of silkworm, which grows and develops on mulberry leaves and constantly spins silk and cocoons. Silkworms break their cocoons into pupae after a few days, and then break their cocoons into moths under the corresponding temperature and humidity conditions. This process is called silkworm turning into moth.