Legal analysis: not illegal. The cremated ashes will be put in a rectangular plastic container, then put in a cardboard box or velvet bag, or an urn, and then returned to the next of kin of the deceased, but what to do in the end depends on the wishes of the deceased or his religious beliefs.

Legal basis: Regulations on Funeral Management

Article 5 In areas where cremation is practiced, the state advocates disposing of ashes by storing ashes and other ways that do not occupy or occupy less land. The people's governments at the county level and the people's governments of cities and autonomous prefectures divided into districts shall formulate specific plans for cremation, and incorporate the new construction and transformation of funeral parlours, crematoriums and columbariums into urban and rural construction plans and capital construction plans. In areas where burial is allowed, the people's governments at the county level and the people's governments of cities and autonomous prefectures divided into districts shall incorporate cemetery construction into urban and rural construction plans.

Article 6 Respect the funeral customs of ethnic minorities; Voluntary reform of funeral customs, others shall not interfere.